202221022 has 4 divisors (see below), whose sum is σ = 303331536. Its totient is φ = 101110510.

The previous prime is 202221017. The next prime is 202221043. The reversal of 202221022 is 220122202.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 202220993 and 202221011.

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, 50555254 + ... + 50555257.

It is an arithmetic number, because the mean of its divisors is an integer number (75832884).

Almost surely, 2^202221022 is an apocalyptic number.

202221022 is a deficient number, since it is larger than the sum of its proper divisors (101110514).

202221022 is a wasteful number, since it uses less digits than its factorization.

202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101110513.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202221022 is about 14220.4438046075. The cubic root of 202221022 is about 586.9603526260.

Adding to 202221022 its reverse (220122202), we get a palindrome (422343224).

The spelling of 202221022 in words is "two hundred two million, two hundred twenty-one thousand, twenty-two".