2221050904 has 48 divisors (see below), whose sum is σ = 4432163400. Its totient is φ = 1040560128.

The previous prime is 2221050899. The next prime is 2221050907. The reversal of 2221050904 is 4090501222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221050907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429392 + ... + 1430944.

Almost surely, 2^2221050904 is an apocalyptic number.

It is an amenable number.

2221050904 is a deficient number, since it is larger than the sum of its proper divisors (2211112496).

2221050904 is a wasteful number, since it uses less digits than its factorization.

2221050904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2221050904 is about 47128.0267356909. The cubic root of 2221050904 is about 1304.7265623039.

The spelling of 2221050904 in words is "two billion, two hundred twenty-one million, fifty thousand, nine hundred four".