422690705448 has 64 divisors (see below), whose sum is σ = 1220604189120. Its totient is φ = 120553497600.

The previous prime is 422690705413. The next prime is 422690705449. The reversal of 422690705448 is 844507096224.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 422690705448.

It is not an unprimeable number, because it can be changed into a prime (422690705449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47086723 + ... + 47095698.

It is an arithmetic number, because the mean of its divisors is an integer number (19071940455).

Almost surely, 2^422690705448 is an apocalyptic number.

It is an amenable number.

422690705448 is an abundant number, since it is smaller than the sum of its proper divisors (797913483672).

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

422690705448 is a wasteful number, since it uses less digits than its factorization.

422690705448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94182458 (or 94182454 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 422690705448 in words is "four hundred twenty-two billion, six hundred ninety million, seven hundred five thousand, four hundred forty-eight".