2214557568 has 96 divisors (see below), whose sum is σ = 6384690000. Its totient is φ = 736788480.

The previous prime is 2214557567. The next prime is 2214557617. The reversal of 2214557568 is 8657554122.

2214557568 is a `hidden beast` number, since 2 + 2 + 14 + 5 + 575 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214557561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736933 + ... + 739931.

Almost surely, 2^2214557568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2214557568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192345000).

2214557568 is an abundant number, since it is smaller than the sum of its proper divisors (4170132432).

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

2214557568 is a wasteful number, since it uses less digits than its factorization.

2214557568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660 (or 3645 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 2214557568 is about 47059.0859239743. The cubic root of 2214557568 is about 1303.4538468388.

The spelling of 2214557568 in words is "two billion, two hundred fourteen million, five hundred fifty-seven thousand, five hundred sixty-eight".