22043234012 has 12 divisors (see below), whose sum is σ = 39208047816. Its totient is φ = 10840934640.

The previous prime is 22043233981. The next prime is 22043234053. The reversal of 22043234012 is 21043234022.

It is a super-2 number, since 2×22043234012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 45170318 + ... + 45170805.

It is an arithmetic number, because the mean of its divisors is an integer number (3267337318).

Almost surely, 2^22043234012 is an apocalyptic number.

It is an amenable number.

22043234012 is a deficient number, since it is larger than the sum of its proper divisors (17164813804).

22043234012 is a wasteful number, since it uses less digits than its factorization.

22043234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90341188 (or 90341186 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22043234012 its reverse (21043234022), we get a palindrome (43086468034).

The spelling of 22043234012 in words is "twenty-two billion, forty-three million, two hundred thirty-four thousand, twelve".