422820674 has 8 divisors (see below), whose sum is σ = 634766220. Its totient is φ = 211231936.

The previous prime is 422820649. The next prime is 422820679. The reversal of 422820674 is 476028224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 421275625 + 1545049 = 20525^2 + 1243^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422820679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86219 + ... + 90990.

Almost surely, 2^422820674 is an apocalyptic number.

422820674 is a deficient number, since it is larger than the sum of its proper divisors (211945546).

422820674 is a wasteful number, since it uses less digits than its factorization.

422820674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178404.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 422820674 is about 20562.6037748141. The cubic root of 422820674 is about 750.5599811981.

Adding to 422820674 its reverse (476028224), we get a palindrome (898848898).

The spelling of 422820674 in words is "four hundred twenty-two million, eight hundred twenty thousand, six hundred seventy-four".