22334478564 has 12 divisors (see below), whose sum is σ = 52113783344. Its totient is φ = 7444826184.

The previous prime is 22334478563. The next prime is 22334478619. The reversal of 22334478564 is 46587443322.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22334478563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930603262 + ... + 930603285.

Almost surely, 2^22334478564 is an apocalyptic number.

It is an amenable number.

22334478564 is an abundant number, since it is smaller than the sum of its proper divisors (29779304780).

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

22334478564 is a wasteful number, since it uses less digits than its factorization.

22334478564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861206554 (or 1861206552 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 48.

The spelling of 22334478564 in words is "twenty-two billion, three hundred thirty-four million, four hundred seventy-eight thousand, five hundred sixty-four".