3221125402 has 16 divisors (see below), whose sum is σ = 5284223712. Its totient is φ = 1460455920.

The previous prime is 3221125393. The next prime is 3221125429. The reversal of 3221125402 is 2045211223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 175668 + ... + 193135.

It is an arithmetic number, because the mean of its divisors is an integer number (330263982).

Almost surely, 2^3221125402 is an apocalyptic number.

3221125402 is a deficient number, since it is larger than the sum of its proper divisors (2063098310).

3221125402 is a wasteful number, since it uses less digits than its factorization.

3221125402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369213.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3221125402 is about 56754.9592722962. The cubic root of 3221125402 is about 1476.8482665122.

Adding to 3221125402 its reverse (2045211223), we get a palindrome (5266336625).

The spelling of 3221125402 in words is "three billion, two hundred twenty-one million, one hundred twenty-five thousand, four hundred two".