202542223 has 32 divisors (see below), whose sum is σ = 238694400. Its totient is φ = 170263296.

The previous prime is 202542149. The next prime is 202542227. The reversal of 202542223 is 322245202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202542223 - 2⁹ = 202541711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202542194 and 202542203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202542227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847338 + ... + 847576.

It is an arithmetic number, because the mean of its divisors is an integer number (7459200).

Almost surely, 2^202542223 is an apocalyptic number.

202542223 is a deficient number, since it is larger than the sum of its proper divisors (36152177).

202542223 is a wasteful number, since it uses less digits than its factorization.

202542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 202542223 is about 14231.7329584278. The cubic root of 202542223 is about 587.2709575257.

Adding to 202542223 its reverse (322245202), we get a palindrome (524787425).

The spelling of 202542223 in words is "two hundred two million, five hundred forty-two thousand, two hundred twenty-three".