826866228 has 24 divisors (see below), whose sum is σ = 1931376832. Its totient is φ = 275333184.

The previous prime is 826866223. The next prime is 826866289. The reversal of 826866228 is 822668628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826866223) 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, 24025 + ... + 47232.

Almost surely, 2^826866228 is an apocalyptic number.

It is an amenable number.

826866228 is an abundant number, since it is smaller than the sum of its proper divisors (1104510604).

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

826866228 is a wasteful number, since it uses less digits than its factorization.

826866228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72231 (or 72229 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 826866228 is about 28755.2817409254. The cubic root of 826866228 is about 938.5953927616.

The spelling of 826866228 in words is "eight hundred twenty-six million, eight hundred sixty-six thousand, two hundred twenty-eight".