22957464 has 64 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 7344000.

The previous prime is 22957447. The next prime is 22957469. The reversal of 22957464 is 46475922.

It is a super-2 number, since 2×22957464² = 1054090306622592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22957469) 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, 91339 + ... + 91589.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^22957464 is an apocalyptic number.

22957464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22957464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29877120).

22957464 is an abundant number, since it is smaller than the sum of its proper divisors (36796776).

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

22957464 is a wasteful number, since it uses less digits than its factorization.

22957464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 396 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 22957464 is about 4791.3947864896. The cubic root of 22957464 is about 284.2112757037.

The spelling of 22957464 in words is "twenty-two million, nine hundred fifty-seven thousand, four hundred sixty-four".