22515398047 has 2 divisors, whose sum is σ = 22515398048. Its totient is φ = 22515398046.

The previous prime is 22515398011. The next prime is 22515398083. The reversal of 22515398047 is 74089351522.

It is a balanced prime because it is at equal distance from previous prime (22515398011) and next prime (22515398083).

It is a cyclic number.

It is not a de Polignac number, because 22515398047 - 2¹¹ = 22515395999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22515397988 and 22515398006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22515396047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257699023 + 11257699024.

It is an arithmetic number, because the mean of its divisors is an integer number (11257699024).

Almost surely, 2^22515398047 is an apocalyptic number.

22515398047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515398047 is an equidigital number, since it uses as much as digits as its factorization.

22515398047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 22515398047 in words is "twenty-two billion, five hundred fifteen million, three hundred ninety-eight thousand, forty-seven".