202213142 has 4 divisors (see below), whose sum is σ = 303319716. Its totient is φ = 101106570.

The previous prime is 202213127. The next prime is 202213153. The reversal of 202213142 is 241312202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241312202 = 2 ⋅120656101.

It is a self number, because there is not a number n which added to its sum of digits gives 202213142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50553284 + ... + 50553287.

It is an arithmetic number, because the mean of its divisors is an integer number (75829929).

Almost surely, 2^202213142 is an apocalyptic number.

202213142 is a deficient number, since it is larger than the sum of its proper divisors (101106574).

202213142 is a wasteful number, since it uses less digits than its factorization.

202213142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101106573.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 202213142 is about 14220.1667360126. The cubic root of 202213142 is about 586.9527284472.

Adding to 202213142 its reverse (241312202), we get a palindrome (443525344).

The spelling of 202213142 in words is "two hundred two million, two hundred thirteen thousand, one hundred forty-two".