2197564496 has 20 divisors (see below), whose sum is σ = 4267956000. Its totient is φ = 1096156512.

The previous prime is 2197564459. The next prime is 2197564511. The reversal of 2197564496 is 6944657912.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157196 + ... + 170603.

It is an arithmetic number, because the mean of its divisors is an integer number (213397800).

Almost surely, 2^2197564496 is an apocalyptic number.

It is an amenable number.

2197564496 is a deficient number, since it is larger than the sum of its proper divisors (2070391504).

2197564496 is a wasteful number, since it uses less digits than its factorization.

2197564496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328226 (or 328220 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 2197564496 is about 46878.1878489346. The cubic root of 2197564496 is about 1300.1113308994. Note that the first 3 decimals are identical.

The spelling of 2197564496 in words is "two billion, one hundred ninety-seven million, five hundred sixty-four thousand, four hundred ninety-six".