23422464 has 240 divisors, whose sum is σ = 80432352. Its totient is φ = 6488064.

The previous prime is 23422423. The next prime is 23422471. The reversal of 23422464 is 46422432.

It is a super-2 number, since 2×23422464² = 1097223639662592, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018357 + ... + 1018379.

Almost surely, 2^23422464 is an apocalyptic number.

23422464 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 23422464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40216176).

23422464 is an abundant number, since it is smaller than the sum of its proper divisors (57009888).

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

23422464 is a wasteful number, since it uses less digits than its factorization.

23422464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 23422464 is about 4839.6760222147. The cubic root of 23422464 is about 286.1173495971.

Adding to 23422464 its reverse (46422432), we get a palindrome (69844896).

The spelling of 23422464 in words is "twenty-three million, four hundred twenty-two thousand, four hundred sixty-four".