7322139 has 12 divisors (see below), whose sum is σ = 11538072. Its totient is φ = 4437600.

The previous prime is 7322137. The next prime is 7322153. The reversal of 7322139 is 9312237.

It is not a de Polignac number, because 7322139 - 2¹ = 7322137 is a prime.

It is a super-2 number, since 2×7322139² = 107227439070642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7322131) 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, 36882 + ... + 37079.

It is an arithmetic number, because the mean of its divisors is an integer number (961506).

Almost surely, 2^7322139 is an apocalyptic number.

7322139 is a deficient number, since it is larger than the sum of its proper divisors (4215933).

7322139 is a wasteful number, since it uses less digits than its factorization.

7322139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73978 (or 73975 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 7322139 is about 2705.9451213947. The cubic root of 7322139 is about 194.1836483231.

The spelling of 7322139 in words is "seven million, three hundred twenty-two thousand, one hundred thirty-nine".