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22265268 = 2233750147
BaseRepresentation
bin101010011101…
…1110110110100
31112220012012120
41110323312310
521144442033
62113115540
7360152214
oct124736664
945805176
1022265268
1111628253
127558bb0
1347c751c
142d58244
151e4c1b3
hex153bdb4

22265268 has 24 divisors (see below), whose sum is σ = 53357472. Its totient is φ = 7221024.

The previous prime is 22265261. The next prime is 22265279. The reversal of 22265268 is 86256222.

It is a super-2 number, since 2×222652682 = 991484318223648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24630 + ... + 25517.

It is an arithmetic number, because the mean of its divisors is an integer number (2223228).

Almost surely, 222265268 is an apocalyptic number.

It is an amenable number.

22265268 is an abundant number, since it is smaller than the sum of its proper divisors (31092204).

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

22265268 is a wasteful number, since it uses less digits than its factorization.

22265268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50191 (or 50189 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 22265268 is about 4718.6086932485. The cubic root of 22265268 is about 281.3256357564.

The spelling of 22265268 in words is "twenty-two million, two hundred sixty-five thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 50147 100294 150441 200588 300882 601764 1855439 3710878 5566317 7421756 11132634 22265268