22000456553 has 2 divisors, whose sum is σ = 22000456554. Its totient is φ = 22000456552.

The previous prime is 22000456531. The next prime is 22000456561. The reversal of 22000456553 is 35565400022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18141934864 + 3858521689 = 134692^2 + 62117^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000456553 - 2¹² = 22000452457 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000456523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000228276 + 11000228277.

It is an arithmetic number, because the mean of its divisors is an integer number (11000228277).

Almost surely, 2^22000456553 is an apocalyptic number.

It is an amenable number.

22000456553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000456553 is an equidigital number, since it uses as much as digits as its factorization.

22000456553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 22000456553 its reverse (35565400022), we get a palindrome (57565856575).

The spelling of 22000456553 in words is "twenty-two billion, four hundred fifty-six thousand, five hundred fifty-three".