22112435252 has 12 divisors (see below), whose sum is σ = 38975156640. Its totient is φ = 10976676216.

The previous prime is 22112435237. The next prime is 22112435263. The reversal of 22112435252 is 25253421122.

It is a happy number.

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, 19884728 + ... + 19885839.

It is an arithmetic number, because the mean of its divisors is an integer number (3247929720).

Almost surely, 2^22112435252 is an apocalyptic number.

It is an amenable number.

22112435252 is a deficient number, since it is larger than the sum of its proper divisors (16862721388).

22112435252 is a wasteful number, since it uses less digits than its factorization.

22112435252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39770710 (or 39770708 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

Adding to 22112435252 its reverse (25253421122), we get a palindrome (47365856374).

The spelling of 22112435252 in words is "twenty-two billion, one hundred twelve million, four hundred thirty-five thousand, two hundred fifty-two".