22082913 has 6 divisors (see below), whose sum is σ = 31897554. Its totient is φ = 14721936.

The previous prime is 22082899. The next prime is 22082939. The reversal of 22082913 is 31928022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 10712529 = 3372^2 + 3273^2 .

It is not a de Polignac number, because 22082913 - 2⁶ = 22082849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22082993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226820 + ... + 1226837.

It is an arithmetic number, because the mean of its divisors is an integer number (5316259).

Almost surely, 2^22082913 is an apocalyptic number.

It is an amenable number.

22082913 is a deficient number, since it is larger than the sum of its proper divisors (9814641).

22082913 is a wasteful number, since it uses less digits than its factorization.

22082913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453663 (or 2453660 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22082913 is about 4699.2460033499. The cubic root of 22082913 is about 280.5555000897. Note that the first 4 decimals are identical.

The spelling of 22082913 in words is "twenty-two million, eighty-two thousand, nine hundred thirteen".