22037081318 has 16 divisors (see below), whose sum is σ = 37795783200. Its totient is φ = 9439981056.

The previous prime is 22037081291. The next prime is 22037081359. The reversal of 22037081318 is 81318073022.

It is a super-2 number, since 2×22037081318² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342893 + ... + 402056.

It is an arithmetic number, because the mean of its divisors is an integer number (2362236450).

Almost surely, 2^22037081318 is an apocalyptic number.

22037081318 is a deficient number, since it is larger than the sum of its proper divisors (15758701882).

22037081318 is a wasteful number, since it uses less digits than its factorization.

22037081318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747071.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 22037081318 in words is "twenty-two billion, thirty-seven million, eighty-one thousand, three hundred eighteen".