2199125772 has 36 divisors (see below), whose sum is σ = 5800594800. Its totient is φ = 701170272.

The previous prime is 2199125743. The next prime is 2199125779. The reversal of 2199125772 is 2775219912.

2199125772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2199125772² = 9672308322149191968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2199125779) 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, 1327147 + ... + 1328802.

Almost surely, 2^2199125772 is an apocalyptic number.

It is an amenable number.

2199125772 is an abundant number, since it is smaller than the sum of its proper divisors (3601469028).

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

2199125772 is a wasteful number, since it uses less digits than its factorization.

2199125772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655982 (or 2655977 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 2199125772 is about 46894.8373704398. The cubic root of 2199125772 is about 1300.4191492605.

The spelling of 2199125772 in words is "two billion, one hundred ninety-nine million, one hundred twenty-five thousand, seven hundred seventy-two".