22245473634443 has 16 divisors (see below), whose sum is σ = 23249409523200. Its totient is φ = 21267266613216.

The previous prime is 22245473634403. The next prime is 22245473634451. The reversal of 22245473634443 is 34443637454222.

It is a cyclic number.

It is not a de Polignac number, because 22245473634443 - 2⁶ = 22245473634379 is a prime.

It is a super-2 number, since 2×22245473634443² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22245473634403) 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 15 ways as a sum of consecutive naturals, for example, 19104893 + ... + 20235806.

It is an arithmetic number, because the mean of its divisors is an integer number (1453088095200).

Almost surely, 2^{22245473634443} is an apocalyptic number.

22245473634443 is a deficient number, since it is larger than the sum of its proper divisors (1003935888757).

22245473634443 is a wasteful number, since it uses less digits than its factorization.

22245473634443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39341026.

The product of its digits is 46448640, while the sum is 53.

The spelling of 22245473634443 in words is "twenty-two trillion, two hundred forty-five billion, four hundred seventy-three million, six hundred thirty-four thousand, four hundred forty-three".