3215222402 has 48 divisors (see below), whose sum is σ = 5838920640. Its totient is φ = 1299193056.

The previous prime is 3215222399. The next prime is 3215222429. The reversal of 3215222402 is 2042225123.

3215222402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748553 + ... + 752835.

It is an arithmetic number, because the mean of its divisors is an integer number (121644180).

Almost surely, 2^3215222402 is an apocalyptic number.

3215222402 is a deficient number, since it is larger than the sum of its proper divisors (2623698238).

3215222402 is a wasteful number, since it uses less digits than its factorization.

3215222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3215222402 is about 56702.9311588034. The cubic root of 3215222402 is about 1475.9455627404.

Adding to 3215222402 its reverse (2042225123), we get a palindrome (5257447525).

The spelling of 3215222402 in words is "three billion, two hundred fifteen million, two hundred twenty-two thousand, four hundred two".