422022394 has 8 divisors (see below), whose sum is σ = 633154068. Its totient is φ = 210971040.

The previous prime is 422022383. The next prime is 422022401. The reversal of 422022394 is 493220224.

It can be written as a sum of positive squares in 2 ways, for example, as 415956025 + 6066369 = 20395^2 + 2463^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537 + ... + 29404.

Almost surely, 2^422022394 is an apocalyptic number.

422022394 is a deficient number, since it is larger than the sum of its proper divisors (211131674).

422022394 is a wasteful number, since it uses less digits than its factorization.

422022394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40160.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 422022394 is about 20543.1836383750. The cubic root of 422022394 is about 750.0873344225.

The spelling of 422022394 in words is "four hundred twenty-two million, twenty-two thousand, three hundred ninety-four".