22249178047 has 2 divisors, whose sum is σ = 22249178048. Its totient is φ = 22249178046.

The previous prime is 22249177967. The next prime is 22249178057. The reversal of 22249178047 is 74087194222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22249178047 - 2¹¹ = 22249175999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22249177988 and 22249178006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22249178057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11124589023 + 11124589024.

It is an arithmetic number, because the mean of its divisors is an integer number (11124589024).

Almost surely, 2^22249178047 is an apocalyptic number.

22249178047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22249178047 is an equidigital number, since it uses as much as digits as its factorization.

22249178047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 22249178047 in words is "twenty-two billion, two hundred forty-nine million, one hundred seventy-eight thousand, forty-seven".