22221240340253 has 2 divisors, whose sum is σ = 22221240340254. Its totient is φ = 22221240340252.

The previous prime is 22221240340231. The next prime is 22221240340261. The reversal of 22221240340253 is 35204304212222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16297264038169 + 5923976302084 = 4036987^2 + 2433922^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221240340253 - 2²⁰ = 22221239291677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221240340153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110620170126 + 11110620170127.

It is an arithmetic number, because the mean of its divisors is an integer number (11110620170127).

Almost surely, 2^{22221240340253} is an apocalyptic number.

It is an amenable number.

22221240340253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221240340253 is an equidigital number, since it uses as much as digits as its factorization.

22221240340253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22221240340253 its reverse (35204304212222), we get a palindrome (57425544552475).

The spelling of 22221240340253 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred forty million, three hundred forty thousand, two hundred fifty-three".