422809834 has 4 divisors (see below), whose sum is σ = 634214754. Its totient is φ = 211404916.

The previous prime is 422809823. The next prime is 422809843. The reversal of 422809834 is 438908224.

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., 246584209 + 176225625 = 15703^2 + 13275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105702457 + ... + 105702460.

Almost surely, 2^422809834 is an apocalyptic number.

422809834 is a deficient number, since it is larger than the sum of its proper divisors (211404920).

422809834 is a wasteful number, since it uses less digits than its factorization.

422809834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211404919.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 422809834 is about 20562.3401878288. The cubic root of 422809834 is about 750.5535670213.

The spelling of 422809834 in words is "four hundred twenty-two million, eight hundred nine thousand, eight hundred thirty-four".