202564223 has 4 divisors (see below), whose sum is σ = 202799808. Its totient is φ = 202328640.

The previous prime is 202564171. The next prime is 202564253. The reversal of 202564223 is 322465202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202564223 - 2²⁰ = 201515647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202564192 and 202564201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202564253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116498 + ... + 118223.

It is an arithmetic number, because the mean of its divisors is an integer number (50699952).

Almost surely, 2^202564223 is an apocalyptic number.

202564223 is a deficient number, since it is larger than the sum of its proper divisors (235585).

202564223 is an equidigital number, since it uses as much as digits as its factorization.

202564223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235584.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 202564223 is about 14232.5058580701. The cubic root of 202564223 is about 587.2922197480.

The spelling of 202564223 in words is "two hundred two million, five hundred sixty-four thousand, two hundred twenty-three".