3622166628 has 24 divisors (see below), whose sum is σ = 8538856032. Its totient is φ = 1194941184.

The previous prime is 3622166627. The next prime is 3622166677. The reversal of 3622166628 is 8266612263.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3622166628.

It is not an unprimeable number, because it can be changed into a prime (3622166621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554750 + ... + 1557077.

It is an arithmetic number, because the mean of its divisors is an integer number (355785668).

Almost surely, 2^3622166628 is an apocalyptic number.

It is an amenable number.

3622166628 is an abundant number, since it is smaller than the sum of its proper divisors (4916689404).

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

3622166628 is a wasteful number, since it uses less digits than its factorization.

3622166628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111931 (or 3111929 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 3622166628 is about 60184.4384205751. The cubic root of 3622166628 is about 1535.7580778793.

The spelling of 3622166628 in words is "three billion, six hundred twenty-two million, one hundred sixty-six thousand, six hundred twenty-eight".