202202220222251 has 2 divisors, whose sum is σ = 202202220222252. Its totient is φ = 202202220222250.

The previous prime is 202202220222203. The next prime is 202202220222271. The reversal of 202202220222251 is 152222022202202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202202220222251 - 2⁶ = 202202220222187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202202220222251.

It is not a weakly prime, because it can be changed into another prime (202202220222271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101101110111125 + 101101110111126.

It is an arithmetic number, because the mean of its divisors is an integer number (101101110111126).

Almost surely, 2^{202202220222251} is an apocalyptic number.

202202220222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

202202220222251 is an equidigital number, since it uses as much as digits as its factorization.

202202220222251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 202202220222251 its reverse (152222022202202), we get a palindrome (354424242424453).

The spelling of 202202220222251 in words is "two hundred two trillion, two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred fifty-one".