422381894 has 32 divisors (see below), whose sum is σ = 729509760. Its totient is φ = 181396800.

The previous prime is 422381879. The next prime is 422381923. The reversal of 422381894 is 498183224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184034 + ... + 186314.

It is an arithmetic number, because the mean of its divisors is an integer number (22797180).

Almost surely, 2^422381894 is an apocalyptic number.

422381894 is a deficient number, since it is larger than the sum of its proper divisors (307127866).

422381894 is a wasteful number, since it uses less digits than its factorization.

422381894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756.

The product of its digits is 110592, while the sum is 41.

The square root of 422381894 is about 20551.9316367100. The cubic root of 422381894 is about 750.3002614044.

The spelling of 422381894 in words is "four hundred twenty-two million, three hundred eighty-one thousand, eight hundred ninety-four".