22064345823 has 16 divisors (see below), whose sum is σ = 31687044480. Its totient is φ = 13575956064.

The previous prime is 22064345801. The next prime is 22064345867. The reversal of 22064345823 is 32854346022.

It is not a de Polignac number, because 22064345823 - 2⁵ = 22064345791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064345873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233440 + ... + 314042.

It is an arithmetic number, because the mean of its divisors is an integer number (1980440280).

Almost surely, 2^22064345823 is an apocalyptic number.

22064345823 is a deficient number, since it is larger than the sum of its proper divisors (9622698657).

22064345823 is a wasteful number, since it uses less digits than its factorization.

22064345823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87638.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 22064345823 in words is "twenty-two billion, sixty-four million, three hundred forty-five thousand, eight hundred twenty-three".