122231442 has 16 divisors (see below), whose sum is σ = 244899360. Its totient is φ = 40671072.

The previous prime is 122231441. The next prime is 122231489. The reversal of 122231442 is 244132221.

It is not an unprimeable number, because it can be changed into a prime (122231441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14488 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (15306210).

Almost surely, 2^122231442 is an apocalyptic number.

122231442 is an abundant number, since it is smaller than the sum of its proper divisors (122667918).

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

122231442 is a wasteful number, since it uses less digits than its factorization.

122231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36377.

The product of its digits is 768, while the sum is 21.

The square root of 122231442 is about 11055.8329401271. The cubic root of 122231442 is about 496.2809959342.

Adding to 122231442 its reverse (244132221), we get a palindrome (366363663).

The spelling of 122231442 in words is "one hundred twenty-two million, two hundred thirty-one thousand, four hundred forty-two".