422022393 has 40 divisors (see below), whose sum is σ = 683020800. Its totient is φ = 258139872.

The previous prime is 422022383. The next prime is 422022401. The reversal of 422022393 is 393220224.

422022393 is a `hidden beast` number, since 422 + 0 + 2 + 239 + 3 = 666.

It is not a de Polignac number, because 422022393 - 2²⁴ = 405245177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422022373) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187368 + ... + 189606.

It is an arithmetic number, because the mean of its divisors is an integer number (17075520).

Almost surely, 2^422022393 is an apocalyptic number.

It is an amenable number.

422022393 is a deficient number, since it is larger than the sum of its proper divisors (260998407).

422022393 is a wasteful number, since it uses less digits than its factorization.

422022393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 422022393 is about 20543.1836140361. The cubic root of 422022393 is about 750.0873338300.

The spelling of 422022393 in words is "four hundred twenty-two million, twenty-two thousand, three hundred ninety-three".