22154601764 has 24 divisors (see below), whose sum is σ = 38876678400. Its totient is φ = 11047021920.

The previous prime is 22154601751. The next prime is 22154601769. The reversal of 22154601764 is 46710645122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22154601769) 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, 2449202 + ... + 2458230.

It is an arithmetic number, because the mean of its divisors is an integer number (1619861600).

Almost surely, 2^22154601764 is an apocalyptic number.

It is an amenable number.

22154601764 is a deficient number, since it is larger than the sum of its proper divisors (16722076636).

22154601764 is a wasteful number, since it uses less digits than its factorization.

22154601764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 22154601764 in words is "twenty-two billion, one hundred fifty-four million, six hundred one thousand, seven hundred sixty-four".