422633493 has 6 divisors (see below), whose sum is σ = 610470614. Its totient is φ = 281755656.

The previous prime is 422633483. The next prime is 422633507. The reversal of 422633493 is 394336224.

It can be written as a sum of positive squares in only one way, i.e., 351112644 + 71520849 = 18738^2 + 8457^2 .

It is not a de Polignac number, because 422633493 - 2⁶ = 422633429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422633423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23479630 + ... + 23479647.

Almost surely, 2^422633493 is an apocalyptic number.

It is an amenable number.

422633493 is a deficient number, since it is larger than the sum of its proper divisors (187837121).

422633493 is a wasteful number, since it uses less digits than its factorization.

422633493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46959283 (or 46959280 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 422633493 is about 20558.0517802636. The cubic root of 422633493 is about 750.4492082289.

The spelling of 422633493 in words is "four hundred twenty-two million, six hundred thirty-three thousand, four hundred ninety-three".