22224332551 has 2 divisors, whose sum is σ = 22224332552. Its totient is φ = 22224332550.

The previous prime is 22224332539. The next prime is 22224332591. The reversal of 22224332551 is 15523342222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22224332551 - 2⁵ = 22224332519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224332591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112166275 + 11112166276.

It is an arithmetic number, because the mean of its divisors is an integer number (11112166276).

Almost surely, 2^22224332551 is an apocalyptic number.

22224332551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224332551 is an equidigital number, since it uses as much as digits as its factorization.

22224332551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

Adding to 22224332551 its reverse (15523342222), we get a palindrome (37747674773).

The spelling of 22224332551 in words is "twenty-two billion, two hundred twenty-four million, three hundred thirty-two thousand, five hundred fifty-one".