636226070 has 16 divisors (see below), whose sum is σ = 1184697360. Its totient is φ = 245714784.

The previous prime is 636226067. The next prime is 636226091. The reversal of 636226070 is 70622636.

It is a super-2 number, since 2×636226070² = 809567224295289800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096652 + ... + 1097231.

It is an arithmetic number, because the mean of its divisors is an integer number (74043585).

Almost surely, 2^636226070 is an apocalyptic number.

636226070 is a deficient number, since it is larger than the sum of its proper divisors (548471290).

636226070 is a wasteful number, since it uses less digits than its factorization.

636226070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193919.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 636226070 is about 25223.5221569074. The cubic root of 636226070 is about 860.0766427097.

The spelling of 636226070 in words is "six hundred thirty-six million, two hundred twenty-six thousand, seventy".