22463780 has 12 divisors (see below), whose sum is σ = 47173980. Its totient is φ = 8985504.

The previous prime is 22463737. The next prime is 22463789. The reversal of 22463780 is 8736422.

It can be written as a sum of positive squares in 2 ways, for example, as 4553956 + 17909824 = 2134^2 + 4232^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22463789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561575 + ... + 561614.

It is an arithmetic number, because the mean of its divisors is an integer number (3931165).

Almost surely, 2^22463780 is an apocalyptic number.

22463780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22463780 is an abundant number, since it is smaller than the sum of its proper divisors (24710200).

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

22463780 is a wasteful number, since it uses less digits than its factorization.

22463780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123198 (or 1123196 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 22463780 is about 4739.5970292842. The cubic root of 22463780 is about 282.1592414166.

The spelling of 22463780 in words is "twenty-two million, four hundred sixty-three thousand, seven hundred eighty".