202243402 has 4 divisors (see below), whose sum is σ = 303365106. Its totient is φ = 101121700.

The previous prime is 202243387. The next prime is 202243417. The reversal of 202243402 is 204342202.

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

It is an interprime number because it is at equal distance from previous prime (202243387) and next prime (202243417).

It can be written as a sum of positive squares in only one way, i.e., 202236841 + 6561 = 14221^2 + 81^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202243402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560849 + ... + 50560852.

Almost surely, 2^202243402 is an apocalyptic number.

202243402 is a deficient number, since it is larger than the sum of its proper divisors (101121704).

202243402 is a wasteful number, since it uses less digits than its factorization.

202243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101121703.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 202243402 is about 14221.2306781094. The cubic root of 202243402 is about 586.9820049876.

Adding to 202243402 its reverse (204342202), we get a palindrome (406585604).

It can be divided in two parts, 20 and 2243402, that added together give a palindrome (2243422).

The spelling of 202243402 in words is "two hundred two million, two hundred forty-three thousand, four hundred two".