22505314012 has 12 divisors (see below), whose sum is σ = 39422432896. Its totient is φ = 11241761760.

The previous prime is 22505313997. The next prime is 22505314021. The reversal of 22505314012 is 21041350522.

It is a super-2 number, since 2×22505314012² (a number of 22 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, 2719164 + ... + 2727427.

Almost surely, 2^22505314012 is an apocalyptic number.

It is an amenable number.

22505314012 is a deficient number, since it is larger than the sum of its proper divisors (16917118884).

22505314012 is a wasteful number, since it uses less digits than its factorization.

22505314012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447628 (or 5447626 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22505314012 its reverse (21041350522), we get a palindrome (43546664534).

The spelling of 22505314012 in words is "twenty-two billion, five hundred five million, three hundred fourteen thousand, twelve".