422642458450 has 12 divisors (see below), whose sum is σ = 786114972810. Its totient is φ = 169056983360.

The previous prime is 422642458429. The next prime is 422642458501. The reversal of 422642458450 is 54854246224.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 161614452169 + 261028006281 = 402013^2 + 510909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422642458450.

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, 4226424535 + ... + 4226424634.

Almost surely, 2^422642458450 is an apocalyptic number.

422642458450 is a deficient number, since it is larger than the sum of its proper divisors (363472514360).

422642458450 is a wasteful number, since it uses less digits than its factorization.

422642458450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452849181 (or 8452849176 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 46.

The spelling of 422642458450 in words is "four hundred twenty-two billion, six hundred forty-two million, four hundred fifty-eight thousand, four hundred fifty".