809226450 has 126 divisors (see below), whose sum is σ = 2271956799. Its totient is φ = 214345440.

The previous prime is 809226403. The next prime is 809226463. The reversal of 809226450 is 54622908.

It is a happy number.

809226450 is a `hidden beast` number, since 8 + 0 + 9 + 2 + 2 + 645 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 34327881 + 774898569 = 5859^2 + 27837^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20115.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 5430976 + ... + 5431124.

Almost surely, 2^809226450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809226450

809226450 is an abundant number, since it is smaller than the sum of its proper divisors (1462730349).

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

809226450 is an equidigital number, since it uses as much as digits as its factorization.

809226450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 809226450 is about 28446.9058071348. The cubic root of 809226450 is about 931.8729165692.

The spelling of 809226450 in words is "eight hundred nine million, two hundred twenty-six thousand, four hundred fifty".