2252664216 has 64 divisors (see below), whose sum is σ = 6826262400. Its totient is φ = 682624800.

The previous prime is 2252664179. The next prime is 2252664251. The reversal of 2252664216 is 6124662522.

2252664216 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 6 + 642 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 471670 + ... + 476421.

It is an arithmetic number, because the mean of its divisors is an integer number (106660350).

Almost surely, 2^2252664216 is an apocalyptic number.

It is an amenable number.

2252664216 is an abundant number, since it is smaller than the sum of its proper divisors (4573598184).

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

2252664216 is a wasteful number, since it uses less digits than its factorization.

2252664216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948117 (or 948107 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2252664216 is about 47462.2398965746. The cubic root of 2252664216 is about 1310.8876946668.

The spelling of 2252664216 in words is "two billion, two hundred fifty-two million, six hundred sixty-four thousand, two hundred sixteen".