628226204 has 6 divisors (see below), whose sum is σ = 1099395864. Its totient is φ = 314113100.

The previous prime is 628226197. The next prime is 628226213. The reversal of 628226204 is 402622826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78528272 + ... + 78528279.

It is an arithmetic number, because the mean of its divisors is an integer number (183232644).

Almost surely, 2^628226204 is an apocalyptic number.

It is an amenable number.

628226204 is a deficient number, since it is larger than the sum of its proper divisors (471169660).

628226204 is a wasteful number, since it uses less digits than its factorization.

628226204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157056555 (or 157056553 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 628226204 is about 25064.4410270806. The cubic root of 628226204 is about 856.4565776176.

The spelling of 628226204 in words is "six hundred twenty-eight million, two hundred twenty-six thousand, two hundred four".