422947224 has 192 divisors, whose sum is σ = 1385100000. Its totient is φ = 119218176.

The previous prime is 422947193. The next prime is 422947243. The reversal of 422947224 is 422749224.

422947224 is a `hidden beast` number, since 422 + 9 + 4 + 7 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 941752 + ... + 942200.

Almost surely, 2^422947224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422947224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692550000).

422947224 is an abundant number, since it is smaller than the sum of its proper divisors (962152776).

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

422947224 is a wasteful number, since it uses less digits than its factorization.

422947224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 550 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 422947224 is about 20565.6807327159. The cubic root of 422947224 is about 750.6348544615.

The spelling of 422947224 in words is "four hundred twenty-two million, nine hundred forty-seven thousand, two hundred twenty-four".