3643622274 has 64 divisors (see below), whose sum is σ = 7853262336. Its totient is φ = 1122849024.

The previous prime is 3643622221. The next prime is 3643622351. The reversal of 3643622274 is 4722263463.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3847069 + ... + 3848015.

It is an arithmetic number, because the mean of its divisors is an integer number (122707224).

Almost surely, 2^3643622274 is an apocalyptic number.

3643622274 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3643622274 is an abundant number, since it is smaller than the sum of its proper divisors (4209640062).

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

3643622274 is a wasteful number, since it uses less digits than its factorization.

3643622274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 290304, while the sum is 39.

The square root of 3643622274 is about 60362.4243548915. The cubic root of 3643622274 is about 1538.7844281238.

The spelling of 3643622274 in words is "three billion, six hundred forty-three million, six hundred twenty-two thousand, two hundred seventy-four".