22252636664 has 32 divisors (see below), whose sum is σ = 42087427200. Its totient is φ = 11029714560.

The previous prime is 22252636661. The next prime is 22252636667. The reversal of 22252636664 is 46663625222.

It is an interprime number because it is at equal distance from previous prime (22252636661) and next prime (22252636667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252636661) 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, 434777 + ... + 483255.

It is an arithmetic number, because the mean of its divisors is an integer number (1315232100).

Almost surely, 2^22252636664 is an apocalyptic number.

It is an amenable number.

22252636664 is a deficient number, since it is larger than the sum of its proper divisors (19834790536).

22252636664 is a wasteful number, since it uses less digits than its factorization.

22252636664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48983 (or 48979 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 44.

The spelling of 22252636664 in words is "twenty-two billion, two hundred fifty-two million, six hundred thirty-six thousand, six hundred sixty-four".