90223833 has 32 divisors (see below), whose sum is σ = 140126976. Its totient is φ = 50577408.

The previous prime is 90223807. The next prime is 90223849. The reversal of 90223833 is 33832209.

It is not a de Polignac number, because 90223833 - 2¹⁰ = 90222809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90223833.

It is not an unprimeable number, because it can be changed into a prime (90223853) 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 31 ways as a sum of consecutive naturals, for example, 457891 + ... + 458087.

It is an arithmetic number, because the mean of its divisors is an integer number (4378968).

Almost surely, 2^90223833 is an apocalyptic number.

It is an amenable number.

90223833 is a deficient number, since it is larger than the sum of its proper divisors (49903143).

90223833 is a wasteful number, since it uses less digits than its factorization.

90223833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 90223833 is about 9498.6226896324. The cubic root of 90223833 is about 448.5116805246.

The spelling of 90223833 in words is "ninety million, two hundred twenty-three thousand, eight hundred thirty-three".