22611371212 has 6 divisors (see below), whose sum is σ = 39569899628. Its totient is φ = 11305685604.

The previous prime is 22611371113. The next prime is 22611371213. The reversal of 22611371212 is 21217311622.

It is a super-2 number, since 2×22611371212² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22611371213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2826421398 + ... + 2826421405.

Almost surely, 2^22611371212 is an apocalyptic number.

It is an amenable number.

22611371212 is a deficient number, since it is larger than the sum of its proper divisors (16958528416).

22611371212 is a wasteful number, since it uses less digits than its factorization.

22611371212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652842807 (or 5652842805 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

Adding to 22611371212 its reverse (21217311622), we get a palindrome (43828682834).

The spelling of 22611371212 in words is "twenty-two billion, six hundred eleven million, three hundred seventy-one thousand, two hundred twelve".