122222422 has 32 divisors (see below), whose sum is σ = 212808960. Its totient is φ = 51567840.

The previous prime is 122222413. The next prime is 122222447. The reversal of 122222422 is 224222221.

It is a self number, because there is not a number n which added to its sum of digits gives 122222422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352053 + ... + 352399.

It is an arithmetic number, because the mean of its divisors is an integer number (6650280).

Almost surely, 2^122222422 is an apocalyptic number.

122222422 is a deficient number, since it is larger than the sum of its proper divisors (90586538).

122222422 is a wasteful number, since it uses less digits than its factorization.

122222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its digits is 512, while the sum is 19.

The square root of 122222422 is about 11055.4250031376. The cubic root of 122222422 is about 496.2687880423.

Adding to 122222422 its reverse (224222221), we get a palindrome (346444643).

The spelling of 122222422 in words is "one hundred twenty-two million, two hundred twenty-two thousand, four hundred twenty-two".