3220165452 has 144 divisors (see below), whose sum is σ = 9021608960. Its totient is φ = 875556864.

The previous prime is 3220165447. The next prime is 3220165471. The reversal of 3220165452 is 2545610223.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5580588 + ... + 5581164.

Almost surely, 2^3220165452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220165452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4510804480).

3220165452 is an abundant number, since it is smaller than the sum of its proper divisors (5801443508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220165452 is a wasteful number, since it uses less digits than its factorization.

3220165452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3220165452 is about 56746.5016719093. The cubic root of 3220165452 is about 1476.7015433257.

Adding to 3220165452 its reverse (2545610223), we get a palindrome (5765775675).

The spelling of 3220165452 in words is "three billion, two hundred twenty million, one hundred sixty-five thousand, four hundred fifty-two".