2215553232 has 20 divisors (see below), whose sum is σ = 5723512640. Its totient is φ = 738517728.

The previous prime is 2215553231. The next prime is 2215553239. The reversal of 2215553232 is 2323555122.

It is a super-2 number, since 2×2215553232² = 9817352247651291648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2215553232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215553231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23078632 + ... + 23078727.

It is an arithmetic number, because the mean of its divisors is an integer number (286175632).

Almost surely, 2^2215553232 is an apocalyptic number.

It is an amenable number.

2215553232 is an abundant number, since it is smaller than the sum of its proper divisors (3507959408).

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

2215553232 is a wasteful number, since it uses less digits than its factorization.

2215553232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46157370 (or 46157364 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 2215553232 is about 47069.6636061912. The cubic root of 2215553232 is about 1303.6491616414.

The spelling of 2215553232 in words is "two billion, two hundred fifteen million, five hundred fifty-three thousand, two hundred thirty-two".