422225120 has 24 divisors (see below), whose sum is σ = 997507224. Its totient is φ = 168889984.

The previous prime is 422225117. The next prime is 422225179. The reversal of 422225120 is 21522224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 422225092 and 422225101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319294 + ... + 1319613.

It is an arithmetic number, because the mean of its divisors is an integer number (41562801).

Almost surely, 2^422225120 is an apocalyptic number.

422225120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422225120 is an abundant number, since it is smaller than the sum of its proper divisors (575282104).

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

422225120 is a wasteful number, since it uses less digits than its factorization.

422225120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638922 (or 2638914 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 422225120 is about 20548.1171886867. The cubic root of 422225120 is about 750.2074211485.

Adding to 422225120 its reverse (21522224), we get a palindrome (443747344).

The spelling of 422225120 in words is "four hundred twenty-two million, two hundred twenty-five thousand, one hundred twenty".