2199154432 has 36 divisors (see below), whose sum is σ = 4461712696. Its totient is φ = 1081543680.

The previous prime is 2199154429. The next prime is 2199154469. The reversal of 2199154432 is 2344519912.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 54798 + ... + 86029.

Almost surely, 2^2199154432 is an apocalyptic number.

It is an amenable number.

2199154432 is an abundant number, since it is smaller than the sum of its proper divisors (2262558264).

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

2199154432 is an equidigital number, since it uses as much as digits as its factorization.

2199154432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140904 (or 140890 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 2199154432 is about 46895.1429467914. The cubic root of 2199154432 is about 1300.4247984524.

The spelling of 2199154432 in words is "two billion, one hundred ninety-nine million, one hundred fifty-four thousand, four hundred thirty-two".