422566302312 has 288 divisors, whose sum is σ = 1474012257120. Its totient is φ = 108118644480.

The previous prime is 422566302307. The next prime is 422566302337. The reversal of 422566302312 is 213203665224.

422566302312 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 6 + 630 + 2 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2518878 + ... + 2681394.

It is an arithmetic number, because the mean of its divisors is an integer number (5118098115).

Almost surely, 2^422566302312 is an apocalyptic number.

422566302312 is a gapful number since it is divisible by the number (42) 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 422566302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737006128560).

422566302312 is an abundant number, since it is smaller than the sum of its proper divisors (1051445954808).

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

422566302312 is a wasteful number, since it uses less digits than its factorization.

422566302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162621 (or 162607 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 422566302312 its reverse (213203665224), we get a palindrome (635769967536).

The spelling of 422566302312 in words is "four hundred twenty-two billion, five hundred sixty-six million, three hundred two thousand, three hundred twelve".