202220122 has 16 divisors (see below), whose sum is σ = 332829000. Its totient is φ = 91570752.

The previous prime is 202220107. The next prime is 202220129. The reversal of 202220122 is 221022202.

It can be written as a sum of positive squares in 4 ways, for example, as 121022001 + 81198121 = 11001^2 + 9011^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (202220129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71997 + ... + 74752.

Almost surely, 2^202220122 is an apocalyptic number.

202220122 is a deficient number, since it is larger than the sum of its proper divisors (130608878).

202220122 is a wasteful number, since it uses less digits than its factorization.

202220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146817.

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

The square root of 202220122 is about 14220.4121599903. The cubic root of 202220122 is about 586.9594818541.

Adding to 202220122 its reverse (221022202), we get a palindrome (423242324).

The spelling of 202220122 in words is "two hundred two million, two hundred twenty thousand, one hundred twenty-two".