202742222 has 8 divisors (see below), whose sum is σ = 307248816. Its totient is φ = 100325952.

The previous prime is 202742167. The next prime is 202742251. The reversal of 202742222 is 222247202.

202742222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202742222² = 82208817162994568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522338 + ... + 522725.

It is an arithmetic number, because the mean of its divisors is an integer number (38406102).

Almost surely, 2^202742222 is an apocalyptic number.

202742222 is a deficient number, since it is larger than the sum of its proper divisors (104506594).

202742222 is a wasteful number, since it uses less digits than its factorization.

202742222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045162.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 202742222 is about 14238.7577407581. The cubic root of 202742222 is about 587.4641928984.

Adding to 202742222 its reverse (222247202), we get a palindrome (424989424).

The spelling of 202742222 in words is "two hundred two million, seven hundred forty-two thousand, two hundred twenty-two".