626942226 has 16 divisors (see below), whose sum is σ = 1254161664. Its totient is φ = 208934544.

The previous prime is 626942219. The next prime is 626942273. The reversal of 626942226 is 622249626.

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, 28575 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (78385104).

Almost surely, 2^626942226 is an apocalyptic number.

626942226 is an abundant number, since it is smaller than the sum of its proper divisors (627219438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626942226 is a wasteful number, since it uses less digits than its factorization.

626942226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105.

The product of its digits is 124416, while the sum is 39.

The square root of 626942226 is about 25038.8143888643. The cubic root of 626942226 is about 855.8727001207.

The spelling of 626942226 in words is "six hundred twenty-six million, nine hundred forty-two thousand, two hundred twenty-six".