2215377264 has 20 divisors (see below), whose sum is σ = 5723058056. Its totient is φ = 738459072.

The previous prime is 2215377259. The next prime is 2215377293. The reversal of 2215377264 is 4627735122.

It is a congruent number.

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, 23076799 + ... + 23076894.

Almost surely, 2^2215377264 is an apocalyptic number.

2215377264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2215377264 is an abundant number, since it is smaller than the sum of its proper divisors (3507680792).

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

2215377264 is a wasteful number, since it uses less digits than its factorization.

2215377264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46153704 (or 46153698 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 2215377264 is about 47067.7943396544. The cubic root of 2215377264 is about 1303.6146470702.

The spelling of 2215377264 in words is "two billion, two hundred fifteen million, three hundred seventy-seven thousand, two hundred sixty-four".