22634540 has 12 divisors (see below), whose sum is σ = 47532576. Its totient is φ = 9053808.

The previous prime is 22634519. The next prime is 22634561. The reversal of 22634540 is 4543622.

It is an interprime number because it is at equal distance from previous prime (22634519) and next prime (22634561).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565844 + ... + 565883.

It is an arithmetic number, because the mean of its divisors is an integer number (3961048).

Almost surely, 2^22634540 is an apocalyptic number.

22634540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22634540 is an abundant number, since it is smaller than the sum of its proper divisors (24898036).

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

22634540 is a wasteful number, since it uses less digits than its factorization.

22634540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131736 (or 1131734 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 22634540 is about 4757.5771144565. The cubic root of 22634540 is about 282.8723885360.

The spelling of 22634540 in words is "twenty-two million, six hundred thirty-four thousand, five hundred forty".