422378873224 has 128 divisors (see below), whose sum is σ = 1045880709120. Its totient is φ = 154820736000.

The previous prime is 422378873219. The next prime is 422378873237.

422378873224 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32111049 + ... + 32124199.

It is an arithmetic number, because the mean of its divisors is an integer number (8170943040).

Almost surely, 2^422378873224 is an apocalyptic number.

422378873224 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 422378873224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522940354560).

422378873224 is an abundant number, since it is smaller than the sum of its proper divisors (623501835896).

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

422378873224 is a wasteful number, since it uses less digits than its factorization.

422378873224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259 (or 16255 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 52.

The spelling of 422378873224 in words is "four hundred twenty-two billion, three hundred seventy-eight million, eight hundred seventy-three thousand, two hundred twenty-four".