202022242 has 4 divisors (see below), whose sum is σ = 303033366. Its totient is φ = 101011120.

The previous prime is 202022221. The next prime is 202022251. The reversal of 202022242 is 242220202.

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

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 60388441 = 11901^2 + 7771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505559 + ... + 50505562.

Almost surely, 2^202022242 is an apocalyptic number.

202022242 is a deficient number, since it is larger than the sum of its proper divisors (101011124).

202022242 is a wasteful number, since it uses less digits than its factorization.

202022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011123.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 202022242 is about 14213.4528528433. The cubic root of 202022242 is about 586.7679653907.

Adding to 202022242 its reverse (242220202), we get a palindrome (444242444).

The spelling of 202022242 in words is "two hundred two million, twenty-two thousand, two hundred forty-two".