22440440312213 has 96 divisors (see below), whose sum is σ = 29374713244800. Its totient is φ = 16941271603200.

The previous prime is 22440440312209. The next prime is 22440440312219. The reversal of 22440440312213 is 31221304404422.

It is a happy number.

It is not a de Polignac number, because 22440440312213 - 2² = 22440440312209 is a prime.

It is a super-2 number, since 2×22440440312213² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22440440312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440440312219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2477138678 + ... + 2477147736.

It is an arithmetic number, because the mean of its divisors is an integer number (305986596300).

Almost surely, 2^{22440440312213} is an apocalyptic number.

It is an amenable number.

22440440312213 is a deficient number, since it is larger than the sum of its proper divisors (6934272932587).

22440440312213 is a wasteful number, since it uses less digits than its factorization.

22440440312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891 (or 9884 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 22440440312213 its reverse (31221304404422), we get a palindrome (53661744716635).

The spelling of 22440440312213 in words is "twenty-two trillion, four hundred forty billion, four hundred forty million, three hundred twelve thousand, two hundred thirteen".