422240194 has 8 divisors (see below), whose sum is σ = 635989068. Its totient is φ = 210243840.

The previous prime is 422240191. The next prime is 422240209. The reversal of 422240194 is 491042224.

It can be written as a sum of positive squares in 2 ways, for example, as 408646225 + 13593969 = 20215^2 + 3687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (422240191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437527 + ... + 438490.

Almost surely, 2^422240194 is an apocalyptic number.

422240194 is a deficient number, since it is larger than the sum of its proper divisors (213748874).

422240194 is a wasteful number, since it uses less digits than its factorization.

422240194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876260.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 422240194 is about 20548.4839830095. The cubic root of 422240194 is about 750.2163488442.

The spelling of 422240194 in words is "four hundred twenty-two million, two hundred forty thousand, one hundred ninety-four".