422409794 has 4 divisors (see below), whose sum is σ = 633614694. Its totient is φ = 211204896.

The previous prime is 422409787. The next prime is 422409817. The reversal of 422409794 is 497904224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 356718769 + 65691025 = 18887^2 + 8105^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105602447 + ... + 105602450.

Almost surely, 2^422409794 is an apocalyptic number.

422409794 is a deficient number, since it is larger than the sum of its proper divisors (211204900).

422409794 is a wasteful number, since it uses less digits than its factorization.

422409794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211204899.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 422409794 is about 20552.6103938162. The cubic root of 422409794 is about 750.3167811437.

The spelling of 422409794 in words is "four hundred twenty-two million, four hundred nine thousand, seven hundred ninety-four".