22365720464 has 40 divisors (see below), whose sum is σ = 43841565240. Its totient is φ = 11052288000.

The previous prime is 22365720427. The next prime is 22365720473. The reversal of 22365720464 is 46402756322.

It can be written as a sum of positive squares in 4 ways, for example, as 6449374864 + 15916345600 = 80308^2 + 126160^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 683354 + ... + 715334.

It is an arithmetic number, because the mean of its divisors is an integer number (1096039131).

Almost surely, 2^22365720464 is an apocalyptic number.

It is an amenable number.

22365720464 is a deficient number, since it is larger than the sum of its proper divisors (21475844776).

22365720464 is a wasteful number, since it uses less digits than its factorization.

22365720464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32499 (or 32493 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 22365720464 in words is "twenty-two billion, three hundred sixty-five million, seven hundred twenty thousand, four hundred sixty-four".