22256134462 has 24 divisors (see below), whose sum is σ = 35830992600. Its totient is φ = 10363675248.

The previous prime is 22256134421. The next prime is 22256134501. The reversal of 22256134462 is 26443165222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218637 + ... + 303832.

It is an arithmetic number, because the mean of its divisors is an integer number (1492958025).

Almost surely, 2^22256134462 is an apocalyptic number.

22256134462 is a deficient number, since it is larger than the sum of its proper divisors (13574858138).

22256134462 is a wasteful number, since it uses less digits than its factorization.

22256134462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522568 (or 522549 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

Adding to 22256134462 its reverse (26443165222), we get a palindrome (48699299684).

The spelling of 22256134462 in words is "twenty-two billion, two hundred fifty-six million, one hundred thirty-four thousand, four hundred sixty-two".