202140222 has 16 divisors (see below), whose sum is σ = 405820800. Its totient is φ = 67123352.

The previous prime is 202140199. The next prime is 202140233. The reversal of 202140222 is 222041202.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 62472 + ... + 65627.

It is an arithmetic number, because the mean of its divisors is an integer number (25363800).

Almost surely, 2^202140222 is an apocalyptic number.

202140222 is an abundant number, since it is smaller than the sum of its proper divisors (203680578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202140222 is a wasteful number, since it uses less digits than its factorization.

202140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128367.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202140222 is about 14217.6025405129. The cubic root of 202140222 is about 586.8821663688.

Adding to 202140222 its reverse (222041202), we get a palindrome (424181424).

The spelling of 202140222 in words is "two hundred two million, one hundred forty thousand, two hundred twenty-two".