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2253222 = 232151829
BaseRepresentation
bin1000100110000110100110
311020110211200
420212012212
51034100342
6120143330
725103106
oct10460646
94213750
102253222
1112a9974
12907b46
1360b78a
14429206
152e794c
hex2261a6

2253222 has 24 divisors (see below), whose sum is σ = 4920240. Its totient is φ = 745200.

The previous prime is 2253221. The next prime is 2253247. The reversal of 2253222 is 2223522.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 211 + 214 + 5 + 38 + 217 + 220 + 220 .

It is a junction number, because it is equal to n+sod(n) for n = 2253195 and 2253204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2304 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (205010).

22253222 is an apocalyptic number.

2253222 is an abundant number, since it is smaller than the sum of its proper divisors (2667018).

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

2253222 is a wasteful number, since it uses less digits than its factorization.

2253222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 985 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 2253222 is about 1501.0736157831. The cubic root of 2253222 is about 131.0995882390.

Adding to 2253222 its reverse (2223522), we get a palindrome (4476744).

The spelling of 2253222 in words is "two million, two hundred fifty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 151 302 453 829 906 1359 1658 2487 2718 4974 7461 14922 125179 250358 375537 751074 1126611 2253222