422353306 has 4 divisors (see below), whose sum is σ = 633529962. Its totient is φ = 211176652.

The previous prime is 422353297. The next prime is 422353313. The reversal of 422353306 is 603353224.

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

It can be written as a sum of positive squares in only one way, i.e., 413105625 + 9247681 = 20325^2 + 3041^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105588325 + ... + 105588328.

Almost surely, 2^422353306 is an apocalyptic number.

422353306 is a deficient number, since it is larger than the sum of its proper divisors (211176656).

422353306 is a wasteful number, since it uses less digits than its factorization.

422353306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211176655.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 422353306 is about 20551.2361185404. The cubic root of 422353306 is about 750.2833335419.

The spelling of 422353306 in words is "four hundred twenty-two million, three hundred fifty-three thousand, three hundred six".