422225914878 has 12 divisors (see below), whose sum is σ = 914822815608. Its totient is φ = 140741971620.

The previous prime is 422225914813. The next prime is 422225914883. The reversal of 422225914878 is 878419522224.

422225914878 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 2 + 591 + 48 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11728497618 + ... + 11728497653.

It is an arithmetic number, because the mean of its divisors is an integer number (76235234634).

Almost surely, 2^422225914878 is an apocalyptic number.

422225914878 is an abundant number, since it is smaller than the sum of its proper divisors (492596900730).

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

422225914878 is a wasteful number, since it uses less digits than its factorization.

422225914878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456995279 (or 23456995276 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 422225914878 in words is "four hundred twenty-two billion, two hundred twenty-five million, nine hundred fourteen thousand, eight hundred seventy-eight".