122215922 has 8 divisors (see below), whose sum is σ = 183689856. Its totient is φ = 60985972.

The previous prime is 122215903. The next prime is 122215931. The reversal of 122215922 is 229512221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122215891 and 122215900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59738 + ... + 61749.

It is an arithmetic number, because the mean of its divisors is an integer number (22961232).

Almost surely, 2^122215922 is an apocalyptic number.

122215922 is a deficient number, since it is larger than the sum of its proper divisors (61473934).

122215922 is a wasteful number, since it uses less digits than its factorization.

122215922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121992.

The product of its digits is 1440, while the sum is 26.

The square root of 122215922 is about 11055.1310259083. The cubic root of 122215922 is about 496.2599904085.

The spelling of 122215922 in words is "one hundred twenty-two million, two hundred fifteen thousand, nine hundred twenty-two".