22359012 has 48 divisors (see below), whose sum is σ = 59496192. Its totient is φ = 6474240.

The previous prime is 22358977. The next prime is 22359019. The reversal of 22359012 is 21095322.

It is a super-2 number, since 2×22359012² = 999850835232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22359019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (1239504).

Almost surely, 2^22359012 is an apocalyptic number.

It is an amenable number.

22359012 is an abundant number, since it is smaller than the sum of its proper divisors (37137180).

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

22359012 is a wasteful number, since it uses less digits than its factorization.

22359012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468 (or 8466 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22359012 is about 4728.5316959919. The cubic root of 22359012 is about 281.7199069946.

The spelling of 22359012 in words is "twenty-two million, three hundred fifty-nine thousand, twelve".