22460081 has 12 divisors (see below), whose sum is σ = 26334000. Its totient is φ = 19099080.

The previous prime is 22460051. The next prime is 22460083. The reversal of 22460081 is 18006422.

It is a de Polignac number, because none of the positive numbers 2^k-22460081 is a prime.

It is a super-2 number, since 2×22460081² = 1008910477053122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22460083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4670 + ... + 8168.

It is an arithmetic number, because the mean of its divisors is an integer number (2194500).

Almost surely, 2^22460081 is an apocalyptic number.

It is an amenable number.

22460081 is a deficient number, since it is larger than the sum of its proper divisors (3873919).

22460081 is a wasteful number, since it uses less digits than its factorization.

22460081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3637 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22460081 is about 4739.2067901707. The cubic root of 22460081 is about 282.1437533090.

The spelling of 22460081 in words is "twenty-two million, four hundred sixty thousand, eighty-one".