422169730 has 8 divisors (see below), whose sum is σ = 759905532. Its totient is φ = 168867888.

The previous prime is 422169719. The next prime is 422169757. The reversal of 422169730 is 37961224.

It can be written as a sum of positive squares in 2 ways, for example, as 407676481 + 14493249 = 20191^2 + 3807^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21108477 + ... + 21108496.

Almost surely, 2^422169730 is an apocalyptic number.

422169730 is a deficient number, since it is larger than the sum of its proper divisors (337735802).

422169730 is a wasteful number, since it uses less digits than its factorization.

422169730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42216980.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 422169730 is about 20546.7693324279. The cubic root of 422169730 is about 750.1746141582.

The spelling of 422169730 in words is "four hundred twenty-two million, one hundred sixty-nine thousand, seven hundred thirty".