122283172 has 12 divisors (see below), whose sum is σ = 233449776. Its totient is φ = 55583240.

The previous prime is 122283149. The next prime is 122283179. The reversal of 122283172 is 271382221.

It is a self number, because there is not a number n which added to its sum of digits gives 122283172.

It is not an unprimeable number, because it can be changed into a prime (122283179) 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 3 ways as a sum of consecutive naturals, for example, 1389538 + ... + 1389625.

It is an arithmetic number, because the mean of its divisors is an integer number (19454148).

Almost surely, 2^122283172 is an apocalyptic number.

It is an amenable number.

122283172 is a deficient number, since it is larger than the sum of its proper divisors (111166604).

122283172 is a wasteful number, since it uses less digits than its factorization.

122283172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779178 (or 2779176 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 122283172 is about 11058.1721816944. The cubic root of 122283172 is about 496.3509970040.

It can be divided in two parts, 12228 and 3172, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 122283172 in words is "one hundred twenty-two million, two hundred eighty-three thousand, one hundred seventy-two".