22447474513 has 32 divisors (see below), whose sum is σ = 24588748800. Its totient is φ = 20421326016.

The previous prime is 22447474499. The next prime is 22447474549. The reversal of 22447474513 is 31547474422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22447474513 is a prime.

It is a super-2 number, since 2×22447474513² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22447474513.

It is not an unprimeable number, because it can be changed into a prime (22447474613) 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 in 31 ways as a sum of consecutive naturals, for example, 18910506 + ... + 18911692.

It is an arithmetic number, because the mean of its divisors is an integer number (768398400).

Almost surely, 2^22447474513 is an apocalyptic number.

It is an amenable number.

22447474513 is a deficient number, since it is larger than the sum of its proper divisors (2141274287).

22447474513 is a wasteful number, since it uses less digits than its factorization.

22447474513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 752640, while the sum is 43.

Subtracting 22447474513 from its reverse (31547474422), we obtain a palindrome (9099999909).

The spelling of 22447474513 in words is "twenty-two billion, four hundred forty-seven million, four hundred seventy-four thousand, five hundred thirteen".