22441622212 has 6 divisors (see below), whose sum is σ = 39272838878. Its totient is φ = 11220811104.

The previous prime is 22441622167. The next prime is 22441622219. The reversal of 22441622212 is 21222614422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18655189056 + 3786433156 = 136584^2 + 61534^2 .

It is a super-2 number, since 2×22441622212² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22441622219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805202773 + ... + 2805202780.

Almost surely, 2^22441622212 is an apocalyptic number.

It is an amenable number.

22441622212 is a deficient number, since it is larger than the sum of its proper divisors (16831216666).

22441622212 is a wasteful number, since it uses less digits than its factorization.

22441622212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610405557 (or 5610405555 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The spelling of 22441622212 in words is "twenty-two billion, four hundred forty-one million, six hundred twenty-two thousand, two hundred twelve".