22269012 has 48 divisors (see below), whose sum is σ = 53813760. Its totient is φ = 7162848.

The previous prime is 22269001. The next prime is 22269029. The reversal of 22269012 is 21096222.

It is a super-2 number, since 2×22269012² = 991817790912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52939 + ... + 53357.

It is an arithmetic number, because the mean of its divisors is an integer number (1121120).

Almost surely, 2^22269012 is an apocalyptic number.

It is an amenable number.

22269012 is an abundant number, since it is smaller than the sum of its proper divisors (31544748).

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

22269012 is a wasteful number, since it uses less digits than its factorization.

22269012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22269012 is about 4719.0054036841. The cubic root of 22269012 is about 281.3414035754.

The spelling of 22269012 in words is "twenty-two million, two hundred sixty-nine thousand, twelve".