422408790 has 128 divisors (see below), whose sum is σ = 1175961600. Its totient is φ = 107775360.

The previous prime is 422408717. The next prime is 422408797. The reversal of 422408790 is 97804224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422408797) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 912099 + ... + 912561.

It is an arithmetic number, because the mean of its divisors is an integer number (9187200).

Almost surely, 2^422408790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422408790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587980800).

422408790 is an abundant number, since it is smaller than the sum of its proper divisors (753552810).

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

422408790 is a wasteful number, since it uses less digits than its factorization.

422408790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 422408790 is about 20552.5859686804. The cubic root of 422408790 is about 750.3161866826.

The spelling of 422408790 in words is "four hundred twenty-two million, four hundred eight thousand, seven hundred ninety".