202135222 has 4 divisors (see below), whose sum is σ = 303202836. Its totient is φ = 101067610.

The previous prime is 202135187. The next prime is 202135223. The reversal of 202135222 is 222531202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202135222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202135223) 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 as a sum of consecutive naturals, namely, 50533804 + ... + 50533807.

It is an arithmetic number, because the mean of its divisors is an integer number (75800709).

Almost surely, 2^202135222 is an apocalyptic number.

202135222 is a deficient number, since it is larger than the sum of its proper divisors (101067614).

202135222 is a wasteful number, since it uses less digits than its factorization.

202135222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101067613.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 202135222 is about 14217.4267010595. The cubic root of 202135222 is about 586.8773274258.

Adding to 202135222 its reverse (222531202), we get a palindrome (424666424).

It can be divided in two parts, 202 and 135222, that added together give a square (135424 = 368²).

The spelling of 202135222 in words is "two hundred two million, one hundred thirty-five thousand, two hundred twenty-two".