22503231412 has 24 divisors (see below), whose sum is σ = 39944519496. Its totient is φ = 11090700288.

The previous prime is 22503231407. The next prime is 22503231437. The reversal of 22503231412 is 21413230522.

It can be written as a sum of positive squares in 4 ways, for example, as 3083136676 + 19420094736 = 55526^2 + 139356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472818 + ... + 518230.

It is an arithmetic number, because the mean of its divisors is an integer number (1664354979).

Almost surely, 2^22503231412 is an apocalyptic number.

It is an amenable number.

22503231412 is a deficient number, since it is larger than the sum of its proper divisors (17441288084).

22503231412 is a wasteful number, since it uses less digits than its factorization.

22503231412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47187 (or 47185 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22503231412 its reverse (21413230522), we get a palindrome (43916461934).

The spelling of 22503231412 in words is "twenty-two billion, five hundred three million, two hundred thirty-one thousand, four hundred twelve".