22609605 has 16 divisors (see below), whose sum is σ = 36498240. Its totient is φ = 11950848.

The previous prime is 22609603. The next prime is 22609607. The reversal of 22609605 is 50690622.

It is an interprime number because it is at equal distance from previous prime (22609603) and next prime (22609607).

It is not a de Polignac number, because 22609605 - 2¹ = 22609603 is a prime.

It is a super-2 number, since 2×22609605² = 1022388476512050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22609603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (2281140).

Almost surely, 2^22609605 is an apocalyptic number.

It is an amenable number.

22609605 is a deficient number, since it is larger than the sum of its proper divisors (13888635).

22609605 is a wasteful number, since it uses less digits than its factorization.

22609605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 22609605 is about 4754.9558357570. The cubic root of 22609605 is about 282.7684763338.

The spelling of 22609605 in words is "twenty-two million, six hundred nine thousand, six hundred five".