3621322252 has 24 divisors (see below), whose sum is σ = 7063262640. Its totient is φ = 1614458880.

The previous prime is 3621322247. The next prime is 3621322259. The reversal of 3621322252 is 2522231263.

It is a happy number.

It is a super-2 number, since 2×3621322252² = 26227949705660703008, 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 3621322252.

It is not an unprimeable number, because it can be changed into a prime (3621322259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400149 + ... + 1402732.

It is an arithmetic number, because the mean of its divisors is an integer number (294302610).

Almost surely, 2^3621322252 is an apocalyptic number.

It is an amenable number.

3621322252 is a deficient number, since it is larger than the sum of its proper divisors (3441940388).

3621322252 is a wasteful number, since it uses less digits than its factorization.

3621322252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802921 (or 2802919 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 3621322252 is about 60177.4231086709. The cubic root of 3621322252 is about 1535.6387332832.

The spelling of 3621322252 in words is "three billion, six hundred twenty-one million, three hundred twenty-two thousand, two hundred fifty-two".