22343042012 has 12 divisors (see below), whose sum is σ = 39101371680. Its totient is φ = 11171221536.

The previous prime is 22343042011. The next prime is 22343042017. The reversal of 22343042012 is 21024034322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22343042011) 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, 242189 + ... + 321467.

It is an arithmetic number, because the mean of its divisors is an integer number (3258447640).

Almost surely, 2^22343042012 is an apocalyptic number.

It is an amenable number.

22343042012 is a deficient number, since it is larger than the sum of its proper divisors (16758329668).

22343042012 is a wasteful number, since it uses less digits than its factorization.

22343042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149740 (or 149738 counting only the distinct ones).

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

Adding to 22343042012 its reverse (21024034322), we get a palindrome (43367076334).

The spelling of 22343042012 in words is "twenty-two billion, three hundred forty-three million, forty-two thousand, twelve".