22461465647 has 2 divisors, whose sum is σ = 22461465648. Its totient is φ = 22461465646.

The previous prime is 22461465599. The next prime is 22461465659. The reversal of 22461465647 is 74656416422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22461465647 - 2⁶ = 22461465583 is a prime.

It is a super-2 number, since 2×22461465647² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22461465547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11230732823 + 11230732824.

It is an arithmetic number, because the mean of its divisors is an integer number (11230732824).

Almost surely, 2^22461465647 is an apocalyptic number.

22461465647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22461465647 is an equidigital number, since it uses as much as digits as its factorization.

22461465647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 47.

The spelling of 22461465647 in words is "twenty-two billion, four hundred sixty-one million, four hundred sixty-five thousand, six hundred forty-seven".