2322138537 has 20 divisors (see below), whose sum is σ = 3562631556. Its totient is φ = 1506250080.

The previous prime is 2322138527. The next prime is 2322138583. The reversal of 2322138537 is 7358312232.

2322138537 is a `hidden beast` number, since 23 + 221 + 385 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1676165481 + 645973056 = 40941^2 + 25416^2 .

It is not a de Polignac number, because 2322138537 - 2¹⁶ = 2322073001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2322138527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 384414 + ... + 390407.

Almost surely, 2^2322138537 is an apocalyptic number.

2322138537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2322138537 is a deficient number, since it is larger than the sum of its proper divisors (1240493019).

2322138537 is an equidigital number, since it uses as much as digits as its factorization.

2322138537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774870 (or 774861 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2322138537 is about 48188.5726806678. The cubic root of 2322138537 is about 1324.2278233943.

The spelling of 2322138537 in words is "two billion, three hundred twenty-two million, one hundred thirty-eight thousand, five hundred thirty-seven".