22366653621 has 32 divisors (see below), whose sum is σ = 32343518592. Its totient is φ = 13666959360.

The previous prime is 22366653611. The next prime is 22366653637. The reversal of 22366653621 is 12635666322.

It is not a de Polignac number, because 22366653621 - 2¹⁰ = 22366652597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22366653611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4461006 + ... + 4466016.

It is an arithmetic number, because the mean of its divisors is an integer number (1010734956).

Almost surely, 2^22366653621 is an apocalyptic number.

It is an amenable number.

22366653621 is a deficient number, since it is larger than the sum of its proper divisors (9976864971).

22366653621 is a wasteful number, since it uses less digits than its factorization.

22366653621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813.

The product of its digits is 466560, while the sum is 42.

The spelling of 22366653621 in words is "twenty-two billion, three hundred sixty-six million, six hundred fifty-three thousand, six hundred twenty-one".