422197992 has 192 divisors, whose sum is σ = 1273708800. Its totient is φ = 125767680.

The previous prime is 422197973. The next prime is 422197999. The reversal of 422197992 is 299791224.

It is a super-2 number, since 2×422197992² = 356502288897664128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422197999) 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, 2358559 + ... + 2358737.

It is an arithmetic number, because the mean of its divisors is an integer number (6633900).

Almost surely, 2^422197992 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 422197992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636854400).

422197992 is an abundant number, since it is smaller than the sum of its proper divisors (851510808).

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

422197992 is a wasteful number, since it uses less digits than its factorization.

422197992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 289 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 422197992 is about 20547.4570689416. The cubic root of 422197992 is about 750.1913538408.

The spelling of 422197992 in words is "four hundred twenty-two million, one hundred ninety-seven thousand, nine hundred ninety-two".