22543020056 has 16 divisors (see below), whose sum is σ = 42379693800. Its totient is φ = 11241768384.

The previous prime is 22543020029. The next prime is 22543020067. The reversal of 22543020056 is 65002034522.

It is a super-3 number, since 3×22543020056³ (a number of 32 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3714485 + ... + 3720548.

Almost surely, 2^22543020056 is an apocalyptic number.

It is an amenable number.

22543020056 is a deficient number, since it is larger than the sum of its proper divisors (19836673744).

22543020056 is a wasteful number, since it uses less digits than its factorization.

22543020056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435418 (or 7435414 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 22543020056 its reverse (65002034522), we get a palindrome (87545054578).

The spelling of 22543020056 in words is "twenty-two billion, five hundred forty-three million, twenty thousand, fifty-six".