404226706 has 12 divisors (see below), whose sum is σ = 656569962. Its totient is φ = 186566016.

The previous prime is 404226689. The next prime is 404226709. The reversal of 404226706 is 607622404.

It can be written as a sum of positive squares in 3 ways, for example, as 80550625 + 323676081 = 8975^2 + 17991^2 .

It is a super-2 number, since 2×404226706² = 326798459687220872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404226709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 597631 + ... + 598306.

Almost surely, 2^404226706 is an apocalyptic number.

404226706 is a deficient number, since it is larger than the sum of its proper divisors (252343256).

404226706 is a wasteful number, since it uses less digits than its factorization.

404226706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195965 (or 1195952 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 404226706 is about 20105.3899738354. The cubic root of 404226706 is about 739.3924316624.

The spelling of 404226706 in words is "four hundred four million, two hundred twenty-six thousand, seven hundred six".