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22796228 = 2271362627
BaseRepresentation
bin101011011110…
…1011111000100
31120220011112202
41112331133010
521313434403
62132334032
7364523210
oct126753704
946804482
1022796228
1111960164
127774318
1349520c0
143055940
152004688
hex15bd7c4

22796228 has 24 divisors (see below), whose sum is σ = 49100352. Its totient is φ = 9018144.

The previous prime is 22796203. The next prime is 22796231. The reversal of 22796228 is 82269722.

It is a super-2 number, since 2×227962282 = 1039336022055968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22796191 and 22796200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30950 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (2045848).

Almost surely, 222796228 is an apocalyptic number.

22796228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22796228 is an abundant number, since it is smaller than the sum of its proper divisors (26304124).

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

22796228 is a wasteful number, since it uses less digits than its factorization.

22796228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62651 (or 62649 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 22796228 is about 4774.5395589523. The cubic root of 22796228 is about 283.5443496857.

The spelling of 22796228 in words is "twenty-two million, seven hundred ninety-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 62627 125254 250508 438389 814151 876778 1628302 1753556 3256604 5699057 11398114 22796228