22461841847 has 2 divisors, whose sum is σ = 22461841848. Its totient is φ = 22461841846.

The previous prime is 22461841813. The next prime is 22461841867. The reversal of 22461841847 is 74814816422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22461841847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22461841807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230920923 + 11230920924.

It is an arithmetic number, because the mean of its divisors is an integer number (11230920924).

Almost surely, 2^22461841847 is an apocalyptic number.

22461841847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461841847 is an equidigital number, since it uses as much as digits as its factorization.

22461841847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 47.

The spelling of 22461841847 in words is "twenty-two billion, four hundred sixty-one million, eight hundred forty-one thousand, eight hundred forty-seven".