422155122 has 16 divisors (see below), whose sum is σ = 844515840. Its totient is φ = 140684112.

The previous prime is 422155109. The next prime is 422155127. The reversal of 422155122 is 221551224.

It is a junction number, because it is equal to n+sod(n) for n = 422155092 and 422155101.

It is not an unprimeable number, because it can be changed into a prime (422155127) 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, 35823 + ... + 46125.

It is an arithmetic number, because the mean of its divisors is an integer number (52782240).

Almost surely, 2^422155122 is an apocalyptic number.

422155122 is an abundant number, since it is smaller than the sum of its proper divisors (422360718).

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

422155122 is a wasteful number, since it uses less digits than its factorization.

422155122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17137.

The product of its digits is 1600, while the sum is 24.

The square root of 422155122 is about 20546.4138476767. The cubic root of 422155122 is about 750.1659614952.

The spelling of 422155122 in words is "four hundred twenty-two million, one hundred fifty-five thousand, one hundred twenty-two".