628602226 has 8 divisors (see below), whose sum is σ = 1077603840. Its totient is φ = 269400948.

The previous prime is 628602203. The next prime is 628602229. The reversal of 628602226 is 622206826.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 628602191 and 628602200.

It is not an unprimeable number, because it can be changed into a prime (628602229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22450066 + ... + 22450093.

It is an arithmetic number, because the mean of its divisors is an integer number (134700480).

Almost surely, 2^628602226 is an apocalyptic number.

628602226 is a deficient number, since it is larger than the sum of its proper divisors (449001614).

628602226 is a wasteful number, since it uses less digits than its factorization.

628602226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44900168.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 628602226 is about 25071.9410098221. The cubic root of 628602226 is about 856.6274196282.

The spelling of 628602226 in words is "six hundred twenty-eight million, six hundred two thousand, two hundred twenty-six".