22652661 has 8 divisors (see below), whose sum is σ = 31177984. Its totient is φ = 14614560.

The previous prime is 22652639. The next prime is 22652671. The reversal of 22652661 is 16625622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22652661 - 2¹⁸ = 22390517 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 (22652671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121696 + ... + 121881.

It is an arithmetic number, because the mean of its divisors is an integer number (3897248).

Almost surely, 2^22652661 is an apocalyptic number.

It is an amenable number.

22652661 is a deficient number, since it is larger than the sum of its proper divisors (8525323).

22652661 is a wasteful number, since it uses less digits than its factorization.

22652661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243611.

The product of its digits is 8640, while the sum is 30.

The square root of 22652661 is about 4759.4811692032. The cubic root of 22652661 is about 282.9478567251.

The spelling of 22652661 in words is "twenty-two million, six hundred fifty-two thousand, six hundred sixty-one".