122232138 has 32 divisors (see below), whose sum is σ = 280226304. Its totient is φ = 34818672.

The previous prime is 122232133. The next prime is 122232139. The reversal of 122232138 is 831232221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122232133) 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 15 ways as a sum of consecutive naturals, for example, 10381 + ... + 18767.

It is an arithmetic number, because the mean of its divisors is an integer number (8757072).

Almost surely, 2^122232138 is an apocalyptic number.

122232138 is an abundant number, since it is smaller than the sum of its proper divisors (157994166).

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

122232138 is a wasteful number, since it uses less digits than its factorization.

122232138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746.

The product of its digits is 1152, while the sum is 24.

The square root of 122232138 is about 11055.8644166795. The cubic root of 122232138 is about 496.2819378929.

Adding to 122232138 its reverse (831232221), we get a palindrome (953464359).

The spelling of 122232138 in words is "one hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-eight".