22200020551 has 2 divisors, whose sum is σ = 22200020552. Its totient is φ = 22200020550.

The previous prime is 22200020533. The next prime is 22200020587. The reversal of 22200020551 is 15502000222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22200020551 - 2⁹ = 22200020039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200020651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100010275 + 11100010276.

It is an arithmetic number, because the mean of its divisors is an integer number (11100010276).

Almost surely, 2^22200020551 is an apocalyptic number.

22200020551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200020551 is an equidigital number, since it uses as much as digits as its factorization.

22200020551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 22200020551 its reverse (15502000222), we get a palindrome (37702020773).

The spelling of 22200020551 in words is "twenty-two billion, two hundred million, twenty thousand, five hundred fifty-one".