422674169 has 4 divisors (see below), whose sum is σ = 424007844. Its totient is φ = 421340496.

The previous prime is 422674163. The next prime is 422674177. The reversal of 422674169 is 961476224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 416364025 = 2512^2 + 20405^2 .

It is a cyclic number.

It is not a de Polignac number, because 422674169 - 2²⁰ = 421625593 is a prime.

It is a super-2 number, since 2×422674169² = 357306906279681122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422674163) 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, 666362 + ... + 666995.

It is an arithmetic number, because the mean of its divisors is an integer number (106001961).

Almost surely, 2^422674169 is an apocalyptic number.

It is an amenable number.

422674169 is a deficient number, since it is larger than the sum of its proper divisors (1333675).

422674169 is a wasteful number, since it uses less digits than its factorization.

422674169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333674.

The product of its digits is 145152, while the sum is 41.

The square root of 422674169 is about 20559.0410525394. The cubic root of 422674169 is about 750.4732829045.

The spelling of 422674169 in words is "four hundred twenty-two million, six hundred seventy-four thousand, one hundred sixty-nine".