422445122 has 24 divisors (see below), whose sum is σ = 718991616. Its totient is φ = 185823000.

The previous prime is 422445119. The next prime is 422445143. The reversal of 422445122 is 221544224.

It is a super-2 number, since 2×422445122² = 356919762203189768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 422445091 and 422445100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20654 + ... + 35657.

It is an arithmetic number, because the mean of its divisors is an integer number (29957984).

Almost surely, 2^422445122 is an apocalyptic number.

422445122 is a deficient number, since it is larger than the sum of its proper divisors (296546494).

422445122 is a wasteful number, since it uses less digits than its factorization.

422445122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56366 (or 56355 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 422445122 is about 20553.4698287175. The cubic root of 422445122 is about 750.3376979980.

Adding to 422445122 its reverse (221544224), we get a palindrome (643989346).

It can be divided in two parts, 422 and 445122, that added together give a palindrome (445544).

The spelling of 422445122 in words is "four hundred twenty-two million, four hundred forty-five thousand, one hundred twenty-two".