2199892221 has 12 divisors (see below), whose sum is σ = 3178081920. Its totient is φ = 1466382600.

The previous prime is 2199892213. The next prime is 2199892229. The reversal of 2199892221 is 1222989912.

It is an interprime number because it is at equal distance from previous prime (2199892213) and next prime (2199892229).

It is not a de Polignac number, because 2199892221 - 2³ = 2199892213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199892229) 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, 71796 + ... + 97746.

It is an arithmetic number, because the mean of its divisors is an integer number (264840160).

Almost surely, 2^2199892221 is an apocalyptic number.

It is an amenable number.

2199892221 is a deficient number, since it is larger than the sum of its proper divisors (978189699).

2199892221 is a wasteful number, since it uses less digits than its factorization.

2199892221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35376 (or 35373 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 2199892221 is about 46903.0086561619. The cubic root of 2199892221 is about 1300.5702076492.

The spelling of 2199892221 in words is "two billion, one hundred ninety-nine million, eight hundred ninety-two thousand, two hundred twenty-one".