422031120 has 240 divisors, whose sum is σ = 1612182528. Its totient is φ = 90746880.

The previous prime is 422031107. The next prime is 422031143. The reversal of 422031120 is 21130224.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×422031120² = 356220532496908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 422031120.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198865 + ... + 200975.

Almost surely, 2^422031120 is an apocalyptic number.

422031120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422031120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806091264).

422031120 is an abundant number, since it is smaller than the sum of its proper divisors (1190151408).

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

422031120 is a wasteful number, since it uses less digits than its factorization.

422031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 422031120 is about 20543.3960191591. The cubic root of 422031120 is about 750.0925041457.

Adding to 422031120 its reverse (21130224), we get a palindrome (443161344).

The spelling of 422031120 in words is "four hundred twenty-two million, thirty-one thousand, one hundred twenty".