422284220864 has 56 divisors (see below), whose sum is σ = 915599058816. Its totient is φ = 191642976000.

The previous prime is 422284220849. The next prime is 422284220867. The reversal of 422284220864 is 468022482224.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422284220867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31082 + ... + 919529.

Almost surely, 2^422284220864 is an apocalyptic number.

422284220864 is a gapful number since it is divisible by the number (44) 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 422284220864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457799529408).

422284220864 is an abundant number, since it is smaller than the sum of its proper divisors (493314837952).

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

422284220864 is a wasteful number, since it uses less digits than its factorization.

422284220864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951265 (or 951255 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 44.

The spelling of 422284220864 in words is "four hundred twenty-two billion, two hundred eighty-four million, two hundred twenty thousand, eight hundred sixty-four".