2297772156 has 48 divisors (see below), whose sum is σ = 5769943200. Its totient is φ = 709048320.

The previous prime is 2297772137. The next prime is 2297772199. The reversal of 2297772156 is 6512777922.

It is a happy number.

2297772156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79881 + ... + 104768.

It is an arithmetic number, because the mean of its divisors is an integer number (120207150).

Almost surely, 2^2297772156 is an apocalyptic number.

It is an amenable number.

2297772156 is an abundant number, since it is smaller than the sum of its proper divisors (3472171044).

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

2297772156 is a wasteful number, since it uses less digits than its factorization.

2297772156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184734 (or 184732 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 2297772156 is about 47935.0827265376. The cubic root of 2297772156 is about 1319.5797858926.

The spelling of 2297772156 in words is "two billion, two hundred ninety-seven million, seven hundred seventy-two thousand, one hundred fifty-six".