3218239630 has 16 divisors (see below), whose sum is σ = 5794415424. Its totient is φ = 1286943840.

The previous prime is 3218239573. The next prime is 3218239643. The reversal of 3218239630 is 369328123.

It is a super-2 number, since 2×3218239630² = 20714132632205073800, 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 3218239630.

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, 3861 + ... + 80320.

It is an arithmetic number, because the mean of its divisors is an integer number (362150964).

Almost surely, 2^3218239630 is an apocalyptic number.

3218239630 is a deficient number, since it is larger than the sum of its proper divisors (2576175794).

3218239630 is a wasteful number, since it uses less digits than its factorization.

3218239630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88011.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 3218239630 is about 56729.5304933859. The cubic root of 3218239630 is about 1476.4071038551.

The spelling of 3218239630 in words is "three billion, two hundred eighteen million, two hundred thirty-nine thousand, six hundred thirty".