2212596945 has 128 divisors (see below), whose sum is σ = 4445306880. Its totient is φ = 1036696320.

The previous prime is 2212596923. The next prime is 2212596977. The reversal of 2212596945 is 5496952122.

2212596945 is a `hidden beast` number, since 2 + 2 + 12 + 596 + 9 + 45 = 666.

It is not a de Polignac number, because 2212596945 - 2⁵ = 2212596913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2212596945.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3644832 + ... + 3645438.

It is an arithmetic number, because the mean of its divisors is an integer number (34728960).

Almost surely, 2^2212596945 is an apocalyptic number.

It is an amenable number.

2212596945 is an abundant number, since it is smaller than the sum of its proper divisors (2232709935).

2212596945 is a wasteful number, since it uses less digits than its factorization.

2212596945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 2212596945 is about 47038.2498080020. The cubic root of 2212596945 is about 1303.0690692831.

The spelling of 2212596945 in words is "two billion, two hundred twelve million, five hundred ninety-six thousand, nine hundred forty-five".