2199140452 has 24 divisors (see below), whose sum is σ = 3947405112. Its totient is φ = 1071379200.

The previous prime is 2199140431. The next prime is 2199140467. The reversal of 2199140452 is 2540419912.

It can be written as a sum of positive squares in 4 ways, for example, as 146506816 + 2052633636 = 12104^2 + 45306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126478 + ... + 142810.

It is an arithmetic number, because the mean of its divisors is an integer number (164475213).

Almost surely, 2^2199140452 is an apocalyptic number.

It is an amenable number.

2199140452 is a deficient number, since it is larger than the sum of its proper divisors (1748264660).

2199140452 is a wasteful number, since it uses less digits than its factorization.

2199140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17199 (or 17197 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2199140452 is about 46894.9938906063. The cubic root of 2199140452 is about 1300.4220428513.

The spelling of 2199140452 in words is "two billion, one hundred ninety-nine million, one hundred forty thousand, four hundred fifty-two".