22240282457 has 2 divisors, whose sum is σ = 22240282458. Its totient is φ = 22240282456.

The previous prime is 22240282399. The next prime is 22240282483. The reversal of 22240282457 is 75428204222.

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., 15098511376 + 7141771081 = 122876^2 + 84509^2 .

It is a cyclic number.

It is not a de Polignac number, because 22240282457 - 2²⁰ = 22239233881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22240282457.

It is not a weakly prime, because it can be changed into another prime (22240282157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120141228 + 11120141229.

It is an arithmetic number, because the mean of its divisors is an integer number (11120141229).

Almost surely, 2^22240282457 is an apocalyptic number.

It is an amenable number.

22240282457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240282457 is an equidigital number, since it uses as much as digits as its factorization.

22240282457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143360, while the sum is 38.

Adding to 22240282457 its reverse (75428204222), we get a palindrome (97668486679).

The spelling of 22240282457 in words is "twenty-two billion, two hundred forty million, two hundred eighty-two thousand, four hundred fifty-seven".