2215243672 has 32 divisors (see below), whose sum is σ = 4178941200. Its totient is φ = 1100880000.

The previous prime is 2215243651. The next prime is 2215243691. The reversal of 2215243672 is 2763425122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326454 + ... + 1328122.

Almost surely, 2^2215243672 is an apocalyptic number.

It is an amenable number.

2215243672 is a deficient number, since it is larger than the sum of its proper divisors (1963697528).

2215243672 is a wasteful number, since it uses less digits than its factorization.

2215243672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2583 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 2215243672 is about 47066.3751737905. The cubic root of 2215243672 is about 1303.5884429572.

Adding to 2215243672 its reverse (2763425122), we get a palindrome (4978668794).

The spelling of 2215243672 in words is "two billion, two hundred fifteen million, two hundred forty-three thousand, six hundred seventy-two".