122222985 has 16 divisors (see below), whose sum is σ = 200105664. Its totient is φ = 63669312.

The previous prime is 122222981. The next prime is 122222999. The reversal of 122222985 is 589222221.

It is not a de Polignac number, because 122222985 - 2² = 122222981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122222981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94102 + ... + 95391.

It is an arithmetic number, because the mean of its divisors is an integer number (12506604).

Almost surely, 2^122222985 is an apocalyptic number.

122222985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122222985 is a deficient number, since it is larger than the sum of its proper divisors (77882679).

122222985 is a wasteful number, since it uses less digits than its factorization.

122222985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189544.

The product of its digits is 11520, while the sum is 33.

The square root of 122222985 is about 11055.4504657205. The cubic root of 122222985 is about 496.2695500380.

The spelling of 122222985 in words is "one hundred twenty-two million, two hundred twenty-two thousand, nine hundred eighty-five".