122244172 has 12 divisors (see below), whose sum is σ = 223228656. Its totient is φ = 58464560.

The previous prime is 122244163. The next prime is 122244173. The reversal of 122244172 is 271442221.

It is not an unprimeable number, because it can be changed into a prime (122244173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664279 + ... + 664462.

It is an arithmetic number, because the mean of its divisors is an integer number (18602388).

Almost surely, 2^122244172 is an apocalyptic number.

It is an amenable number.

122244172 is a deficient number, since it is larger than the sum of its proper divisors (100984484).

122244172 is a wasteful number, since it uses less digits than its factorization.

122244172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328768 (or 1328766 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 122244172 is about 11056.4086393367. The cubic root of 122244172 is about 496.2982240103.

Adding to 122244172 its reverse (271442221), we get a palindrome (393686393).

The spelling of 122244172 in words is "one hundred twenty-two million, two hundred forty-four thousand, one hundred seventy-two".