833225921 has 16 divisors (see below), whose sum is σ = 940610880. Its totient is φ = 731512320.

The previous prime is 833225873. The next prime is 833225923. The reversal of 833225921 is 129522338.

It is a de Polignac number, because none of the positive numbers 2^k-833225921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (833225923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32201 + ... + 51993.

It is an arithmetic number, because the mean of its divisors is an integer number (58788180).

Almost surely, 2^833225921 is an apocalyptic number.

It is an amenable number.

833225921 is a deficient number, since it is larger than the sum of its proper divisors (107384959).

833225921 is a wasteful number, since it uses less digits than its factorization.

833225921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19936.

The product of its digits is 25920, while the sum is 35.

The square root of 833225921 is about 28865.6529633404. The cubic root of 833225921 is about 940.9955955935.

The spelling of 833225921 in words is "eight hundred thirty-three million, two hundred twenty-five thousand, nine hundred twenty-one".