202838223 has 16 divisors (see below), whose sum is σ = 309576960. Its totient is φ = 115723776.

The previous prime is 202838201. The next prime is 202838249. The reversal of 202838223 is 322838202.

It is not a de Polignac number, because 202838223 - 2¹⁰ = 202837199 is a prime.

It is a super-2 number, since 2×202838223² = 82286689419595458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202838263) 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 15 ways as a sum of consecutive naturals, for example, 6511 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (19348560).

Almost surely, 2^202838223 is an apocalyptic number.

202838223 is a deficient number, since it is larger than the sum of its proper divisors (106738737).

202838223 is a wasteful number, since it uses less digits than its factorization.

202838223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 202838223 is about 14242.1284575024. The cubic root of 202838223 is about 587.5569021693.

The spelling of 202838223 in words is "two hundred two million, eight hundred thirty-eight thousand, two hundred twenty-three".