122291022 has 32 divisors (see below), whose sum is σ = 279878400. Its totient is φ = 34895808.

The previous prime is 122291017. The next prime is 122291027. The reversal of 122291022 is 220192221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122291017) and next prime (122291027).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122291022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122291027) 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, 46129 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (8746200).

Almost surely, 2^122291022 is an apocalyptic number.

122291022 is an abundant number, since it is smaller than the sum of its proper divisors (157587378).

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

122291022 is a wasteful number, since it uses less digits than its factorization.

122291022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 122291022 is about 11058.5271171165. The cubic root of 122291022 is about 496.3616179038.

The spelling of 122291022 in words is "one hundred twenty-two million, two hundred ninety-one thousand, twenty-two".