22145066463 has 32 divisors (see below), whose sum is σ = 32342195200. Its totient is φ = 13396046976.

The previous prime is 22145066429. The next prime is 22145066483. The reversal of 22145066463 is 36466054122.

It is not a de Polignac number, because 22145066463 - 2²⁰ = 22144017887 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145066483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689856 + ... + 721242.

It is an arithmetic number, because the mean of its divisors is an integer number (1010693600).

Almost surely, 2^22145066463 is an apocalyptic number.

22145066463 is a deficient number, since it is larger than the sum of its proper divisors (10197128737).

22145066463 is a wasteful number, since it uses less digits than its factorization.

22145066463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31711.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 22145066463 in words is "twenty-two billion, one hundred forty-five million, sixty-six thousand, four hundred sixty-three".