202333221242 has 4 divisors (see below), whose sum is σ = 303499831866. Its totient is φ = 101166610620.

The previous prime is 202333221239. The next prime is 202333221263. The reversal of 202333221242 is 242122333202.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 196817336881 + 5515884361 = 443641^2 + 74269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50583305309 + ... + 50583305312.

Almost surely, 2^202333221242 is an apocalyptic number.

202333221242 is a deficient number, since it is larger than the sum of its proper divisors (101166610624).

202333221242 is a wasteful number, since it uses less digits than its factorization.

202333221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101166610623.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 202333221242 its reverse (242122333202), we get a palindrome (444455554444).

The spelling of 202333221242 in words is "two hundred two billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred forty-two".