22220236466364 has 48 divisors (see below), whose sum is σ = 55018418999040. Its totient is φ = 6964633188480.

The previous prime is 22220236466359. The next prime is 22220236466381. The reversal of 22220236466364 is 46366463202222.

It is a super-2 number, since 2×22220236466364² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682255777 + ... + 682288344.

It is an arithmetic number, because the mean of its divisors is an integer number (1146217062480).

Almost surely, 2^{22220236466364} is an apocalyptic number.

It is an amenable number.

22220236466364 is an abundant number, since it is smaller than the sum of its proper divisors (32798182532676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220236466364 is a wasteful number, since it uses less digits than its factorization.

22220236466364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364544210 (or 1364544208 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 48.

Adding to 22220236466364 its reverse (46366463202222), we get a palindrome (68586699668586).

The spelling of 22220236466364 in words is "twenty-two trillion, two hundred twenty billion, two hundred thirty-six million, four hundred sixty-six thousand, three hundred sixty-four".