202221242 has 8 divisors (see below), whose sum is σ = 307487316. Its totient is φ = 99725472.

The previous prime is 202221233. The next prime is 202221251. The reversal of 202221242 is 242122202.

202221242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202221233) and next prime (202221251).

It can be written as a sum of positive squares in 2 ways, for example, as 191794801 + 10426441 = 13849^2 + 3229^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 202221242.

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, 692393 + ... + 692684.

Almost surely, 2^202221242 is an apocalyptic number.

202221242 is a deficient number, since it is larger than the sum of its proper divisors (105266074).

202221242 is a wasteful number, since it uses less digits than its factorization.

202221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385152.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 202221242 is about 14220.4515399477. The cubic root of 202221242 is about 586.9605654809.

Adding to 202221242 its reverse (242122202), we get a palindrome (444343444).

The spelling of 202221242 in words is "two hundred two million, two hundred twenty-one thousand, two hundred forty-two".