22012310456 has 16 divisors (see below), whose sum is σ = 41673793200. Its totient is φ = 10899298944.

The previous prime is 22012310429. The next prime is 22012310473. The reversal of 22012310456 is 65401321022.

It is a happy number.

It is a super-2 number, since 2×22012310456² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13356161 + ... + 13357808.

It is an arithmetic number, because the mean of its divisors is an integer number (2604612075).

Almost surely, 2^22012310456 is an apocalyptic number.

It is an amenable number.

22012310456 is a deficient number, since it is larger than the sum of its proper divisors (19661482744).

22012310456 is a wasteful number, since it uses less digits than its factorization.

22012310456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26714078 (or 26714074 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 22012310456 its reverse (65401321022), we get a palindrome (87413631478).

The spelling of 22012310456 in words is "twenty-two billion, twelve million, three hundred ten thousand, four hundred fifty-six".