442226770 has 16 divisors (see below), whose sum is σ = 796443480. Its totient is φ = 176793984.

The previous prime is 442226711. The next prime is 442226789. The reversal of 442226770 is 77622244.

It can be written as a sum of positive squares in 4 ways, for example, as 413593569 + 28633201 = 20337^2 + 5351^2 .

It is a super-2 number, since 2×442226770² = 391129032209265800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8836 + ... + 31024.

Almost surely, 2^442226770 is an apocalyptic number.

442226770 is a deficient number, since it is larger than the sum of its proper divisors (354216710).

442226770 is a wasteful number, since it uses less digits than its factorization.

442226770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24189.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 442226770 is about 21029.1885245247. The cubic root of 442226770 is about 761.8714095625.

The spelling of 442226770 in words is "four hundred forty-two million, two hundred twenty-six thousand, seven hundred seventy".