22797451847 has 2 divisors, whose sum is σ = 22797451848. Its totient is φ = 22797451846.

The previous prime is 22797451837. The next prime is 22797451871. The reversal of 22797451847 is 74815479722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22797451847 is a prime.

It is a super-2 number, since 2×22797451847² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22797451792 and 22797451801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22797451837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398725923 + 11398725924.

It is an arithmetic number, because the mean of its divisors is an integer number (11398725924).

Almost surely, 2^22797451847 is an apocalyptic number.

22797451847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797451847 is an equidigital number, since it uses as much as digits as its factorization.

22797451847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 56.

The spelling of 22797451847 in words is "twenty-two billion, seven hundred ninety-seven million, four hundred fifty-one thousand, eight hundred forty-seven".