22040422216 has 16 divisors (see below), whose sum is σ = 41891899500. Its totient is φ = 10869249024.

The previous prime is 22040422213. The next prime is 22040422277. The reversal of 22040422216 is 61222404022.

It can be written as a sum of positive squares in 2 ways, for example, as 21654299716 + 386122500 = 147154^2 + 19650^2 .

It is a super-2 number, since 2×22040422216² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22040422213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18869641 + ... + 18870808.

Almost surely, 2^22040422216 is an apocalyptic number.

It is an amenable number.

22040422216 is a deficient number, since it is larger than the sum of its proper divisors (19851477284).

22040422216 is a wasteful number, since it uses less digits than its factorization.

22040422216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37740528 (or 37740524 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22040422216 its reverse (61222404022), we get a palindrome (83262826238).

The spelling of 22040422216 in words is "twenty-two billion, forty million, four hundred twenty-two thousand, two hundred sixteen".