2142322732 has 36 divisors (see below), whose sum is σ = 4316507496. Its totient is φ = 922524480.

The previous prime is 2142322729. The next prime is 2142322739. The reversal of 2142322732 is 2372232412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142322732.

It is not an unprimeable number, because it can be changed into a prime (2142322739) 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, 51553 + ... + 83320.

It is an arithmetic number, because the mean of its divisors is an integer number (119902986).

Almost surely, 2^2142322732 is an apocalyptic number.

2142322732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2142322732 is an abundant number, since it is smaller than the sum of its proper divisors (2174184764).

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

2142322732 is a wasteful number, since it uses less digits than its factorization.

2142322732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134926 (or 134905 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 2142322732 is about 46285.2323317060. The cubic root of 2142322732 is about 1289.1248058784.

The spelling of 2142322732 in words is "two billion, one hundred forty-two million, three hundred twenty-two thousand, seven hundred thirty-two".