22958464 has 32 divisors (see below), whose sum is σ = 46310040. Its totient is φ = 11335680.

The previous prime is 22958461. The next prime is 22958471. The reversal of 22958464 is 46485922.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22958461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9544 + ... + 11704.

Almost surely, 2^22958464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22958464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23155020).

22958464 is an abundant number, since it is smaller than the sum of its proper divisors (23351576).

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

22958464 is an equidigital number, since it uses as much as digits as its factorization.

22958464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2246 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 22958464 is about 4791.4991391004. The cubic root of 22958464 is about 284.2154022796.

The spelling of 22958464 in words is "twenty-two million, nine hundred fifty-eight thousand, four hundred sixty-four".