22643601464 has 32 divisors (see below), whose sum is σ = 46380297600. Its totient is φ = 10278359520.

The previous prime is 22643601451. The next prime is 22643601479. The reversal of 22643601464 is 46410634622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112994 + ... + 240945.

It is an arithmetic number, because the mean of its divisors is an integer number (1449384300).

Almost surely, 2^22643601464 is an apocalyptic number.

It is an amenable number.

22643601464 is an abundant number, since it is smaller than the sum of its proper divisors (23736696136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22643601464 is a wasteful number, since it uses less digits than its factorization.

22643601464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354683 (or 354679 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 22643601464 in words is "twenty-two billion, six hundred forty-three million, six hundred one thousand, four hundred sixty-four".