422893593 has 6 divisors (see below), whose sum is σ = 610846314. Its totient is φ = 281929056.

The previous prime is 422893591. The next prime is 422893607. The reversal of 422893593 is 395398224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 419102784 + 3790809 = 20472^2 + 1947^2 .

It is not a de Polignac number, because 422893593 - 2¹ = 422893591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422893591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23494080 + ... + 23494097.

It is an arithmetic number, because the mean of its divisors is an integer number (101807719).

Almost surely, 2^422893593 is an apocalyptic number.

It is an amenable number.

422893593 is a deficient number, since it is larger than the sum of its proper divisors (187952721).

422893593 is a wasteful number, since it uses less digits than its factorization.

422893593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46988183 (or 46988180 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 422893593 is about 20564.3767958088. The cubic root of 422893593 is about 750.6031255228.

The spelling of 422893593 in words is "four hundred twenty-two million, eight hundred ninety-three thousand, five hundred ninety-three".