22226202461 has 2 divisors, whose sum is σ = 22226202462. Its totient is φ = 22226202460.

The previous prime is 22226202403. The next prime is 22226202599. The reversal of 22226202461 is 16420262222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17133239236 + 5092963225 = 130894^2 + 71365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22226202461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226204461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113101230 + 11113101231.

It is an arithmetic number, because the mean of its divisors is an integer number (11113101231).

Almost surely, 2^22226202461 is an apocalyptic number.

It is an amenable number.

22226202461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226202461 is an equidigital number, since it uses as much as digits as its factorization.

22226202461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22226202461 its reverse (16420262222), we get a palindrome (38646464683).

The spelling of 22226202461 in words is "twenty-two billion, two hundred twenty-six million, two hundred two thousand, four hundred sixty-one".