22122230012 has 48 divisors (see below), whose sum is σ = 39573649920. Its totient is φ = 10818662400.

The previous prime is 22122230003. The next prime is 22122230021. The reversal of 22122230012 is 21003222122.

It is an interprime number because it is at equal distance from previous prime (22122230003) and next prime (22122230021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17135087 + ... + 17136377.

It is an arithmetic number, because the mean of its divisors is an integer number (824451040).

Almost surely, 2^22122230012 is an apocalyptic number.

It is an amenable number.

22122230012 is a deficient number, since it is larger than the sum of its proper divisors (17451419908).

22122230012 is a wasteful number, since it uses less digits than its factorization.

22122230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22122230012 its reverse (21003222122), we get a palindrome (43125452134).

The spelling of 22122230012 in words is "twenty-two billion, one hundred twenty-two million, two hundred thirty thousand, twelve".