22663231653 has 8 divisors (see below), whose sum is σ = 30403027168. Its totient is φ = 15016128624.

The previous prime is 22663231649. The next prime is 22663231667. The reversal of 22663231653 is 35613236622.

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

It is not a de Polignac number, because 22663231653 - 2² = 22663231649 is a prime.

It is a super-2 number, since 2×22663231653² (a number of 22 digits) 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 (22663731653) 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, 23172550 + ... + 23173527.

It is an arithmetic number, because the mean of its divisors is an integer number (3800378396).

Almost surely, 2^22663231653 is an apocalyptic number.

It is an amenable number.

22663231653 is a deficient number, since it is larger than the sum of its proper divisors (7739795515).

22663231653 is a wasteful number, since it uses less digits than its factorization.

22663231653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46346243.

The product of its digits is 233280, while the sum is 39.

The spelling of 22663231653 in words is "twenty-two billion, six hundred sixty-three million, two hundred thirty-one thousand, six hundred fifty-three".