122331393 has 12 divisors (see below), whose sum is σ = 176984080. Its totient is φ = 81423576.

The previous prime is 122331389. The next prime is 122331409. The reversal of 122331393 is 393133221.

It is not a de Polignac number, because 122331393 - 2² = 122331389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122331323) 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, 4783 + ... + 16356.

Almost surely, 2^122331393 is an apocalyptic number.

It is an amenable number.

122331393 is a deficient number, since it is larger than the sum of its proper divisors (54652687).

122331393 is a wasteful number, since it uses less digits than its factorization.

122331393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788 (or 21785 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 122331393 is about 11060.3522999948. The cubic root of 122331393 is about 496.4162319163.

The spelling of 122331393 in words is "one hundred twenty-two million, three hundred thirty-one thousand, three hundred ninety-three".