2164814572 has 12 divisors (see below), whose sum is σ = 3827482120. Its totient is φ = 1071248256.

The previous prime is 2164814557. The next prime is 2164814623. The reversal of 2164814572 is 2754184612.

It is a super-2 number, since 2×2164814572² = 9372844262287086368, which contains 22 as substring.

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, 2789322 + ... + 2790097.

Almost surely, 2^2164814572 is an apocalyptic number.

It is an amenable number.

2164814572 is a deficient number, since it is larger than the sum of its proper divisors (1662667548).

2164814572 is a wasteful number, since it uses less digits than its factorization.

2164814572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579520 (or 5579518 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 2164814572 is about 46527.5678711020. The cubic root of 2164814572 is about 1293.6205347294.

The spelling of 2164814572 in words is "two billion, one hundred sixty-four million, eight hundred fourteen thousand, five hundred seventy-two".