422556626 has 8 divisors (see below), whose sum is σ = 634048140. Its totient is φ = 211207248.

The previous prime is 422556611. The next prime is 422556647. The reversal of 422556626 is 626655224.

It can be written as a sum of positive squares in 2 ways, for example, as 334853401 + 87703225 = 18299^2 + 9365^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 422556626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27761 + ... + 40196.

Almost surely, 2^422556626 is an apocalyptic number.

422556626 is a deficient number, since it is larger than the sum of its proper divisors (211491514).

422556626 is a wasteful number, since it uses less digits than its factorization.

422556626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71068.

The product of its digits is 172800, while the sum is 38.

The square root of 422556626 is about 20556.1821844427. The cubic root of 422556626 is about 750.4037091714.

The spelling of 422556626 in words is "four hundred twenty-two million, five hundred fifty-six thousand, six hundred twenty-six".