422353920 has 176 divisors, whose sum is σ = 1396021248. Its totient is φ = 108871680.

The previous prime is 422353913. The next prime is 422353949. The reversal of 422353920 is 29353224.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 475717 + ... + 476603.

Almost surely, 2^422353920 is an apocalyptic number.

422353920 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 422353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698010624).

422353920 is an abundant number, since it is smaller than the sum of its proper divisors (973667328).

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

422353920 is a wasteful number, since it uses less digits than its factorization.

422353920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 422353920 is about 20551.2510568092. The cubic root of 422353920 is about 750.2836971188.

The spelling of 422353920 in words is "four hundred twenty-two million, three hundred fifty-three thousand, nine hundred twenty".