22304322553 has 2 divisors, whose sum is σ = 22304322554. Its totient is φ = 22304322552.

The previous prime is 22304322533. The next prime is 22304322571. The reversal of 22304322553 is 35522340322.

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., 18443812864 + 3860509689 = 135808^2 + 62133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22304322553 is a prime.

It is not a weakly prime, because it can be changed into another prime (22304322503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11152161276 + 11152161277.

It is an arithmetic number, because the mean of its divisors is an integer number (11152161277).

Almost surely, 2^22304322553 is an apocalyptic number.

It is an amenable number.

22304322553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22304322553 is an equidigital number, since it uses as much as digits as its factorization.

22304322553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 22304322553 its reverse (35522340322), we get a palindrome (57826662875).

The spelling of 22304322553 in words is "twenty-two billion, three hundred four million, three hundred twenty-two thousand, five hundred fifty-three".