22360464 has 90 divisors (see below), whose sum is σ = 72818070. Its totient is φ = 6386688.

The previous prime is 22360453. The next prime is 22360483. The reversal of 22360464 is 46406322.

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 1016064 = 4620^2 + 1008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5472 + ... + 8640.

Almost surely, 2^22360464 is an apocalyptic number.

22360464 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 22360464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36409035).

22360464 is an abundant number, since it is smaller than the sum of its proper divisors (50457606).

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

22360464 is a wasteful number, since it uses less digits than its factorization.

22360464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 22360464 is about 4728.6852295326. The cubic root of 22360464 is about 281.7260051837.

Adding to 22360464 its reverse (46406322), we get a palindrome (68766786).

The spelling of 22360464 in words is "twenty-two million, three hundred sixty thousand, four hundred sixty-four".