22488551689 has 2 divisors, whose sum is σ = 22488551690. Its totient is φ = 22488551688.

The previous prime is 22488551651. The next prime is 22488551713. The reversal of 22488551689 is 98615588422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16196889289 + 6291662400 = 127267^2 + 79320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22488551689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22488551389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11244275844 + 11244275845.

It is an arithmetic number, because the mean of its divisors is an integer number (11244275845).

Almost surely, 2^22488551689 is an apocalyptic number.

It is an amenable number.

22488551689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22488551689 is an equidigital number, since it uses as much as digits as its factorization.

22488551689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11059200, while the sum is 58.

The spelling of 22488551689 in words is "twenty-two billion, four hundred eighty-eight million, five hundred fifty-one thousand, six hundred eighty-nine".