3622254644 has 24 divisors (see below), whose sum is σ = 6577729536. Its totient is φ = 1743516000.

The previous prime is 3622254637. The next prime is 3622254661. The reversal of 3622254644 is 4464522263.

It is a junction number, because it is equal to n+sod(n) for n = 3622254598 and 3622254607.

It is a congruent number.

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, 52787 + ... + 100154.

It is an arithmetic number, because the mean of its divisors is an integer number (274072064).

Almost surely, 2^3622254644 is an apocalyptic number.

It is an amenable number.

3622254644 is a deficient number, since it is larger than the sum of its proper divisors (2955474892).

3622254644 is a wasteful number, since it uses less digits than its factorization.

3622254644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153167 (or 153165 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 3622254644 is about 60185.1696350521. The cubic root of 3622254644 is about 1535.7705170446.

The spelling of 3622254644 in words is "three billion, six hundred twenty-two million, two hundred fifty-four thousand, six hundred forty-four".