122222286 has 24 divisors (see below), whose sum is σ = 266011200. Its totient is φ = 40556736.

The previous prime is 122222281. The next prime is 122222291. The reversal of 122222286 is 682222221.

It is an interprime number because it is at equal distance from previous prime (122222281) and next prime (122222291).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11211 + ... + 19238.

It is an arithmetic number, because the mean of its divisors is an integer number (11083800).

Almost surely, 2^122222286 is an apocalyptic number.

122222286 is an abundant number, since it is smaller than the sum of its proper divisors (143788914).

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

122222286 is a wasteful number, since it uses less digits than its factorization.

122222286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30680 (or 30677 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 122222286 is about 11055.4188523095. The cubic root of 122222286 is about 496.2686039719.

The spelling of 122222286 in words is "one hundred twenty-two million, two hundred twenty-two thousand, two hundred eighty-six".