2215889632 has 24 divisors (see below), whose sum is σ = 4759127352. Its totient is φ = 1007222400.

The previous prime is 2215889563. The next prime is 2215889639. The reversal of 2215889632 is 2369885122.

It is a super-2 number, since 2×2215889632² = 9820333722410190848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215889639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147219 + ... + 3147922.

It is an arithmetic number, because the mean of its divisors is an integer number (198296973).

Almost surely, 2^2215889632 is an apocalyptic number.

2215889632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2215889632 is an abundant number, since it is smaller than the sum of its proper divisors (2543237720).

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

2215889632 is a wasteful number, since it uses less digits than its factorization.

2215889632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295162 (or 6295154 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 2215889632 is about 47073.2368974134. The cubic root of 2215889632 is about 1303.7151384484.

The spelling of 2215889632 in words is "two billion, two hundred fifteen million, eight hundred eighty-nine thousand, six hundred thirty-two".