3225479621 has 16 divisors (see below), whose sum is σ = 3989994624. Its totient is φ = 2539059264.

The previous prime is 3225479611. The next prime is 3225479627. The reversal of 3225479621 is 1269745223.

It is not a de Polignac number, because 3225479621 - 2²² = 3221285317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225479627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72035 + ... + 107888.

It is an arithmetic number, because the mean of its divisors is an integer number (249374664).

Almost surely, 2^3225479621 is an apocalyptic number.

It is an amenable number.

3225479621 is a deficient number, since it is larger than the sum of its proper divisors (764515003).

3225479621 is a wasteful number, since it uses less digits than its factorization.

3225479621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180140.

The product of its digits is 181440, while the sum is 41.

The square root of 3225479621 is about 56793.3061284514. The cubic root of 3225479621 is about 1477.5134196939.

The spelling of 3225479621 in words is "three billion, two hundred twenty-five million, four hundred seventy-nine thousand, six hundred twenty-one".