422702280 has 1024 divisors, whose sum is σ = 2090188800. Its totient is φ = 72990720.

The previous prime is 422702261. The next prime is 422702281. The reversal of 422702280 is 82207224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422702281) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 18378349 + ... + 18378371.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^422702280 is an apocalyptic number.

422702280 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 422702280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045094400).

422702280 is an abundant number, since it is smaller than the sum of its proper divisors (1667486520).

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

422702280 is a wasteful number, since it uses less digits than its factorization.

422702280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 422702280 is about 20559.7247063281. The cubic root of 422702280 is about 750.4899199016.

The spelling of 422702280 in words is "four hundred twenty-two million, seven hundred two thousand, two hundred eighty".