22222340044012 has 12 divisors (see below), whose sum is σ = 38892914919936. Its totient is φ = 11110078638320.

The previous prime is 22222340043991. The next prime is 22222340044063. The reversal of 22222340044012 is 21044004322222.

It is a happy number.

It is a super-2 number, since 2×22222340044012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272800108 + ... + 272881555.

It is an arithmetic number, because the mean of its divisors is an integer number (3241076243328).

Almost surely, 2^{22222340044012} is an apocalyptic number.

It is an amenable number.

22222340044012 is a deficient number, since it is larger than the sum of its proper divisors (16670574875924).

22222340044012 is a wasteful number, since it uses less digits than its factorization.

22222340044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545691848 (or 545691846 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22222340044012 its reverse (21044004322222), we get a palindrome (43266344366234).

The spelling of 22222340044012 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred forty million, forty-four thousand, twelve".