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10254222 = 2331161283
BaseRepresentation
bin100111000111…
…011110001110
3201021222011000
4213013132032
510111113342
61003441130
7153105456
oct47073616
921258130
1010254222
115874170
1235261a6
1321804b4
14150cd66
15d7844c
hex9c778e

10254222 has 64 divisors (see below), whose sum is σ = 25355520. Its totient is φ = 3045600.

The previous prime is 10254221. The next prime is 10254239. The reversal of 10254222 is 22245201.

10254222 is a `hidden beast` number, since 102 + 542 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10254195 and 10254204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10254221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36093 + ... + 36375.

It is an arithmetic number, because the mean of its divisors is an integer number (396180).

Almost surely, 210254222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10254222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12677760).

10254222 is an abundant number, since it is smaller than the sum of its proper divisors (15101298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10254222 is a wasteful number, since it uses less digits than its factorization.

10254222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10254222 is about 3202.2214164545. The cubic root of 10254222 is about 217.2538952364.

Adding to 10254222 its reverse (22245201), we get a palindrome (32499423).

The spelling of 10254222 in words is "ten million, two hundred fifty-four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 61 66 99 122 183 198 283 297 366 549 566 594 671 849 1098 1342 1647 1698 2013 2547 3113 3294 4026 5094 6039 6226 7641 9339 12078 15282 17263 18117 18678 28017 34526 36234 51789 56034 84051 103578 155367 168102 189893 310734 379786 466101 569679 932202 1139358 1709037 3418074 5127111 10254222