22747542287 has 2 divisors, whose sum is σ = 22747542288. Its totient is φ = 22747542286.

The previous prime is 22747542247. The next prime is 22747542299. The reversal of 22747542287 is 78224574722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22747542287 - 2¹⁰ = 22747541263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22747542247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11373771143 + 11373771144.

It is an arithmetic number, because the mean of its divisors is an integer number (11373771144).

Almost surely, 2^22747542287 is an apocalyptic number.

22747542287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22747542287 is an equidigital number, since it uses as much as digits as its factorization.

22747542287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3512320, while the sum is 50.

The spelling of 22747542287 in words is "twenty-two billion, seven hundred forty-seven million, five hundred forty-two thousand, two hundred eighty-seven".