2221870404 has 48 divisors (see below), whose sum is σ = 5645928960. Its totient is φ = 675966720.

The previous prime is 2221870397. The next prime is 2221870411. The reversal of 2221870404 is 4040781222.

It is an interprime number because it is at equal distance from previous prime (2221870397) and next prime (2221870411).

It is a super-2 number, since 2×2221870404² = 9873416184342246432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66132 + ... + 93899.

It is an arithmetic number, because the mean of its divisors is an integer number (117623520).

Almost surely, 2^2221870404 is an apocalyptic number.

It is an amenable number.

2221870404 is an abundant number, since it is smaller than the sum of its proper divisors (3424058556).

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

2221870404 is a wasteful number, since it uses less digits than its factorization.

2221870404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160140 (or 160138 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 2221870404 is about 47136.7203356364. The cubic root of 2221870404 is about 1304.8870106664.

The spelling of 2221870404 in words is "two billion, two hundred twenty-one million, eight hundred seventy thousand, four hundred four".