22047064845 has 48 divisors (see below), whose sum is σ = 38554978752. Its totient is φ = 10752368640.

The previous prime is 22047064817. The next prime is 22047064859. The reversal of 22047064845 is 54846074022.

It is a happy number.

It is not a de Polignac number, because 22047064845 - 2¹⁰ = 22047063821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22047064797 and 22047064806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230605 + ... + 311885.

It is an arithmetic number, because the mean of its divisors is an integer number (803228724).

Almost surely, 2^22047064845 is an apocalyptic number.

It is an amenable number.

22047064845 is a deficient number, since it is larger than the sum of its proper divisors (16507913907).

22047064845 is a wasteful number, since it uses less digits than its factorization.

22047064845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81422 (or 81409 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 22047064845 in words is "twenty-two billion, forty-seven million, sixty-four thousand, eight hundred forty-five".