422170632 has 192 divisors, whose sum is σ = 1294675200. Its totient is φ = 123379200.

The previous prime is 422170631. The next prime is 422170649. The reversal of 422170632 is 236071224.

422170632 is a `hidden beast` number, since 4 + 2 + 21 + 7 + 0 + 632 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 422170596 and 422170605.

It is not an unprimeable number, because it can be changed into a prime (422170631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2795757 + ... + 2795907.

It is an arithmetic number, because the mean of its divisors is an integer number (6743100).

Almost surely, 2^422170632 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 422170632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647337600).

422170632 is an abundant number, since it is smaller than the sum of its proper divisors (872504568).

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

422170632 is a wasteful number, since it uses less digits than its factorization.

422170632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 422170632 is about 20546.7912823390. The cubic root of 422170632 is about 750.1751484275.

The spelling of 422170632 in words is "four hundred twenty-two million, one hundred seventy thousand, six hundred thirty-two".