22056500465 has 8 divisors (see below), whose sum is σ = 27321600768. Its totient is φ = 17076000240.

The previous prime is 22056500461. The next prime is 22056500471. The reversal of 22056500465 is 56400565022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22056500465 - 2² = 22056500461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22056500461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71149847 + ... + 71150156.

It is an arithmetic number, because the mean of its divisors is an integer number (3415200096).

Almost surely, 2^22056500465 is an apocalyptic number.

It is an amenable number.

22056500465 is a deficient number, since it is larger than the sum of its proper divisors (5265100303).

22056500465 is a wasteful number, since it uses less digits than its factorization.

22056500465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142300039.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 22056500465 in words is "twenty-two billion, fifty-six million, five hundred thousand, four hundred sixty-five".