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22068372 = 2238322157
BaseRepresentation
bin101010000101…
…1110010010100
31112112012010010
41110023302110
521122141442
62105000220
7355402164
oct124136224
945465103
1022068372
1111503327
127483070
134758a11
142d065a4
151e0db9c
hex150bc94

22068372 has 24 divisors (see below), whose sum is σ = 52115616. Its totient is φ = 7267168.

The previous prime is 22068353. The next prime is 22068379. The reversal of 22068372 is 27386022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10083 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (2171484).

Almost surely, 222068372 is an apocalyptic number.

It is an amenable number.

22068372 is an abundant number, since it is smaller than the sum of its proper divisors (30047244).

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

22068372 is a wasteful number, since it uses less digits than its factorization.

22068372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22247 (or 22245 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22068372 is about 4697.6985854778. The cubic root of 22068372 is about 280.4939071697.

The spelling of 22068372 in words is "twenty-two million, sixty-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 22157 44314 66471 88628 132942 265884 1839031 3678062 5517093 7356124 11034186 22068372