670185228 has 24 divisors (see below), whose sum is σ = 1567715632. Its totient is φ = 222830784.

The previous prime is 670185227. The next prime is 670185239. The reversal of 670185228 is 822581076.

It is not an unprimeable number, because it can be changed into a prime (670185227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65575 + ... + 75102.

Almost surely, 2^670185228 is an apocalyptic number.

It is an amenable number.

670185228 is an abundant number, since it is smaller than the sum of its proper divisors (897530404).

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

670185228 is a wasteful number, since it uses less digits than its factorization.

670185228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141081 (or 141079 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 670185228 is about 25887.9359548033. The cubic root of 670185228 is about 875.1146420674.

The spelling of 670185228 in words is "six hundred seventy million, one hundred eighty-five thousand, two hundred twenty-eight".