422975194 has 16 divisors (see below), whose sum is σ = 652168008. Its totient is φ = 205595712.

The previous prime is 422975171. The next prime is 422975209. The reversal of 422975194 is 491579224.

It can be written as a sum of positive squares in 4 ways, for example, as 398601225 + 24373969 = 19965^2 + 4937^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422975194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141564 + ... + 144520.

Almost surely, 2^422975194 is an apocalyptic number.

422975194 is a deficient number, since it is larger than the sum of its proper divisors (229192814).

422975194 is a wasteful number, since it uses less digits than its factorization.

422975194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929.

The product of its digits is 181440, while the sum is 43.

The square root of 422975194 is about 20566.3607378651. The cubic root of 422975194 is about 750.6514008869.

The spelling of 422975194 in words is "four hundred twenty-two million, nine hundred seventy-five thousand, one hundred ninety-four".