2199978204 has 24 divisors (see below), whose sum is σ = 5141283840. Its totient is φ = 732183024.

The previous prime is 2199978149. The next prime is 2199978217. The reversal of 2199978204 is 4028799912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134844 + ... + 150275.

It is an arithmetic number, because the mean of its divisors is an integer number (214220160).

Almost surely, 2^2199978204 is an apocalyptic number.

It is an amenable number.

2199978204 is an abundant number, since it is smaller than the sum of its proper divisors (2941305636).

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

2199978204 is a wasteful number, since it uses less digits than its factorization.

2199978204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285769 (or 285767 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 2199978204 is about 46903.9252515181. The cubic root of 2199978204 is about 1300.5871517325.

The spelling of 2199978204 in words is "two billion, one hundred ninety-nine million, nine hundred seventy-eight thousand, two hundred four".