2192564788 has 12 divisors (see below), whose sum is σ = 3837879360. Its totient is φ = 1096027832.

The previous prime is 2192564771. The next prime is 2192564839. The reversal of 2192564788 is 8874652912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43558 + ... + 79261.

It is an arithmetic number, because the mean of its divisors is an integer number (319823280).

Almost surely, 2^2192564788 is an apocalyptic number.

It is an amenable number.

2192564788 is a deficient number, since it is larger than the sum of its proper divisors (1645314572).

2192564788 is a wasteful number, since it uses less digits than its factorization.

2192564788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127286 (or 127284 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 2192564788 is about 46824.8308913124. The cubic root of 2192564788 is about 1299.1246154059.

The spelling of 2192564788 in words is "two billion, one hundred ninety-two million, five hundred sixty-four thousand, seven hundred eighty-eight".