22606613 has 4 divisors (see below), whose sum is σ = 22925088. Its totient is φ = 22288140.

The previous prime is 22606609. The next prime is 22606643. The reversal of 22606613 is 31660622.

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.

It is a cyclic number.

It is not a de Polignac number, because 22606613 - 2² = 22606609 is a prime.

It is a super-2 number, since 2×22606613² = 1022117902663538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22606603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159131 + ... + 159272.

It is an arithmetic number, because the mean of its divisors is an integer number (5731272).

Almost surely, 2^22606613 is an apocalyptic number.

It is an amenable number.

22606613 is a deficient number, since it is larger than the sum of its proper divisors (318475).

22606613 is an equidigital number, since it uses as much as digits as its factorization.

22606613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318474.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22606613 is about 4754.6412062321. The cubic root of 22606613 is about 282.7560025702.

The spelling of 22606613 in words is "twenty-two million, six hundred six thousand, six hundred thirteen".