2215872 has 42 divisors (see below), whose sum is σ = 6353048. Its totient is φ = 738432.

The previous prime is 2215867. The next prime is 2215901. The reversal of 2215872 is 2785122.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1348 + ... + 2499.

2^2215872 is an apocalyptic number.

It is an amenable number.

2215872 is an abundant number, since it is smaller than the sum of its proper divisors (4137176).

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

2215872 is a wasteful number, since it uses less digits than its factorization.

2215872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3852 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2215872 is about 1488.5805319162. The cubic root of 2215872 is about 130.3711680520.

The spelling of 2215872 in words is "two million, two hundred fifteen thousand, eight hundred seventy-two".