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10222030 = 2571347239
BaseRepresentation
bin100110111111…
…100111001110
3201020022222201
4212333213032
510104101110
61003032114
7152612560
oct46774716
921208881
1010222030
115851a65
12350b63a
13216b950
141501330
15d6db3a
hex9bf9ce

10222030 has 64 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 3153024.

The previous prime is 10222013. The next prime is 10222039. The reversal of 10222030 is 3022201.

It is a super-3 number, since 3×102220303 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10221998 and 10222016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222039) 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, 42651 + ... + 42889.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 210222030 is an apocalyptic number.

10222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10222030 is an abundant number, since it is smaller than the sum of its proper divisors (13002290).

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

10222030 is a wasteful number, since it uses less digits than its factorization.

10222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10222030 is about 3197.1909545725. The cubic root of 10222030 is about 217.0263086878.

Adding to 10222030 its reverse (3022201), we get a palindrome (13244231).

The spelling of 10222030 in words is "ten million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 47 65 70 91 94 130 182 235 239 329 455 470 478 611 658 910 1195 1222 1645 1673 2390 3055 3107 3290 3346 4277 6110 6214 8365 8554 11233 15535 16730 21385 21749 22466 31070 42770 43498 56165 78631 108745 112330 146029 157262 217490 292058 393155 730145 786310 1022203 1460290 2044406 5111015 10222030