22630460 has 12 divisors (see below), whose sum is σ = 47524008. Its totient is φ = 9052176.

The previous prime is 22630457. The next prime is 22630481. The reversal of 22630460 is 6403622.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 565742 + ... + 565781.

It is an arithmetic number, because the mean of its divisors is an integer number (3960334).

Almost surely, 2^22630460 is an apocalyptic number.

22630460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22630460 is an abundant number, since it is smaller than the sum of its proper divisors (24893548).

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

22630460 is a wasteful number, since it uses less digits than its factorization.

22630460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131532 (or 1131530 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22630460 is about 4757.1483054452. The cubic root of 22630460 is about 282.8553910814.

The spelling of 22630460 in words is "twenty-two million, six hundred thirty thousand, four hundred sixty".