2221899167 has 4 divisors (see below), whose sum is σ = 2352599136. Its totient is φ = 2091199200.

The previous prime is 2221899161. The next prime is 2221899181. The reversal of 2221899167 is 7619981222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221899167 - 2²⁸ = 1953463711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221899161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65349959 + ... + 65349992.

It is an arithmetic number, because the mean of its divisors is an integer number (588149784).

Almost surely, 2^2221899167 is an apocalyptic number.

2221899167 is a deficient number, since it is larger than the sum of its proper divisors (130699969).

2221899167 is a wasteful number, since it uses less digits than its factorization.

2221899167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130699968.

The product of its digits is 217728, while the sum is 47.

The square root of 2221899167 is about 47137.0254364868. The cubic root of 2221899167 is about 1304.8926414033.

The spelling of 2221899167 in words is "two billion, two hundred twenty-one million, eight hundred ninety-nine thousand, one hundred sixty-seven".