122222996 has 24 divisors (see below), whose sum is σ = 258826176. Its totient is φ = 49299840.

The previous prime is 122222981. The next prime is 122222999. The reversal of 122222996 is 699222221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222999) 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, 127910 + ... + 128861.

It is an arithmetic number, because the mean of its divisors is an integer number (10784424).

Almost surely, 2^122222996 is an apocalyptic number.

It is an amenable number.

122222996 is an abundant number, since it is smaller than the sum of its proper divisors (136603180).

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

122222996 is a wasteful number, since it uses less digits than its factorization.

122222996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256799 (or 256797 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 122222996 is about 11055.4509632127. The cubic root of 122222996 is about 496.2695649260.

The spelling of 122222996 in words is "one hundred twenty-two million, two hundred twenty-two thousand, nine hundred ninety-six".