22315663463647 has 2 divisors, whose sum is σ = 22315663463648. Its totient is φ = 22315663463646.

The previous prime is 22315663463629. The next prime is 22315663463659. The reversal of 22315663463647 is 74636436651322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22315663463647 - 2³¹ = 22313515979999 is a prime.

It is a super-3 number, since 3×22315663463647³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22315663463591 and 22315663463600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22315663463617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11157831731823 + 11157831731824.

It is an arithmetic number, because the mean of its divisors is an integer number (11157831731824).

Almost surely, 2^{22315663463647} is an apocalyptic number.

22315663463647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315663463647 is an equidigital number, since it uses as much as digits as its factorization.

22315663463647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 58.

The spelling of 22315663463647 in words is "twenty-two trillion, three hundred fifteen billion, six hundred sixty-three million, four hundred sixty-three thousand, six hundred forty-seven".