22630613 has 4 divisors (see below), whose sum is σ = 22652448. Its totient is φ = 22608780.

The previous prime is 22630603. The next prime is 22630627. The reversal of 22630613 is 31603622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31603622 = 2 ⋅15801811.

It is a cyclic number.

It is not a de Polignac number, because 22630613 - 2⁸ = 22630357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9281 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (5663112).

Almost surely, 2^22630613 is an apocalyptic number.

It is an amenable number.

22630613 is a deficient number, since it is larger than the sum of its proper divisors (21835).

22630613 is a wasteful number, since it uses less digits than its factorization.

22630613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22630613 is about 4757.1643864807. The cubic root of 22630613 is about 282.8560285228.

The spelling of 22630613 in words is "twenty-two million, six hundred thirty thousand, six hundred thirteen".