451000228 has 24 divisors (see below), whose sum is σ = 933105600. Its totient is φ = 186620448.

The previous prime is 451000219. The next prime is 451000237. The reversal of 451000228 is 822000154.

It is an interprime number because it is at equal distance from previous prime (451000219) and next prime (451000237).

It is a junction number, because it is equal to n+sod(n) for n = 451000199 and 451000208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276898 + ... + 278521.

It is an arithmetic number, because the mean of its divisors is an integer number (38879400).

Almost surely, 2^451000228 is an apocalyptic number.

It is an amenable number.

451000228 is an abundant number, since it is smaller than the sum of its proper divisors (482105372).

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

451000228 is a wasteful number, since it uses less digits than its factorization.

451000228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555459 (or 555457 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 451000228 is about 21236.7659496450. The cubic root of 451000228 is about 766.8767782867.

The spelling of 451000228 in words is "four hundred fifty-one million, two hundred twenty-eight", and thus it is an aban number.