2221331400804 has 48 divisors (see below), whose sum is σ = 5261841148928. Its totient is φ = 729201784608.

The previous prime is 2221331400731. The next prime is 2221331400811. The reversal of 2221331400804 is 4080041331222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733897 + ... + 3452079.

Almost surely, 2^{2221331400804} is an apocalyptic number.

It is an amenable number.

2221331400804 is an abundant number, since it is smaller than the sum of its proper divisors (3040509748124).

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

2221331400804 is a wasteful number, since it uses less digits than its factorization.

2221331400804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722104 (or 722102 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 2221331400804 in words is "two trillion, two hundred twenty-one billion, three hundred thirty-one million, four hundred thousand, eight hundred four".