899812233 has 24 divisors (see below), whose sum is σ = 1406478528. Its totient is φ = 573789744.

The previous prime is 899812201. The next prime is 899812247. The reversal of 899812233 is 332218998.

It is not a de Polignac number, because 899812233 - 2⁵ = 899812201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (899812253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74910 + ... + 86087.

It is an arithmetic number, because the mean of its divisors is an integer number (58603272).

Almost surely, 2^899812233 is an apocalyptic number.

It is an amenable number.

899812233 is a deficient number, since it is larger than the sum of its proper divisors (506666295).

899812233 is a wasteful number, since it uses less digits than its factorization.

899812233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161035 (or 161023 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 899812233 is about 29996.8703867587. The cubic root of 899812233 is about 965.4222365856.

The spelling of 899812233 in words is "eight hundred ninety-nine million, eight hundred twelve thousand, two hundred thirty-three".