2157274204 has 24 divisors (see below), whose sum is σ = 3910788000. Its totient is φ = 1040497920.

The previous prime is 2157274151. The next prime is 2157274237. The reversal of 2157274204 is 4024727512.

It is a self number, because there is not a number n which added to its sum of digits gives 2157274204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59304 + ... + 88495.

It is an arithmetic number, because the mean of its divisors is an integer number (162949500).

Almost surely, 2^2157274204 is an apocalyptic number.

It is an amenable number.

2157274204 is a deficient number, since it is larger than the sum of its proper divisors (1753513796).

2157274204 is a wasteful number, since it uses less digits than its factorization.

2157274204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147933 (or 147931 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 2157274204 is about 46446.4660011932. The cubic root of 2157274204 is about 1292.1168305500.

The spelling of 2157274204 in words is "two billion, one hundred fifty-seven million, two hundred seventy-four thousand, two hundred four".