422708862578 has 18 divisors (see below), whose sum is σ = 649963411527. Its totient is φ = 206181055840.

The previous prime is 422708862539. The next prime is 422708862581. The reversal of 422708862578 is 875268807224.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 53413218769 + 369295643809 = 231113^2 + 607697^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459733.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37692500 + ... + 37703712.

Almost surely, 2^422708862578 is an apocalyptic number.

422708862578 is a deficient number, since it is larger than the sum of its proper divisors (227254548949).

422708862578 is an frugal number, since it uses more digits than its factorization.

422708862578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22510 (or 11256 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 59.

The spelling of 422708862578 in words is "four hundred twenty-two billion, seven hundred eight million, eight hundred sixty-two thousand, five hundred seventy-eight".