22112613 has 12 divisors (see below), whose sum is σ = 32418048. Its totient is φ = 14521320.

The previous prime is 22112609. The next prime is 22112627. The reversal of 22112613 is 31621122.

It is not a de Polignac number, because 22112613 - 2² = 22112609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112603) 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, 17733 + ... + 18938.

It is an arithmetic number, because the mean of its divisors is an integer number (2701504).

Almost surely, 2^22112613 is an apocalyptic number.

It is an amenable number.

22112613 is a deficient number, since it is larger than the sum of its proper divisors (10305435).

22112613 is a wasteful number, since it uses less digits than its factorization.

22112613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36744 (or 36741 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 22112613 is about 4702.4050229643. The cubic root of 22112613 is about 280.6812196991.

Adding to 22112613 its reverse (31621122), we get a palindrome (53733735).

The spelling of 22112613 in words is "twenty-two million, one hundred twelve thousand, six hundred thirteen".