22445822854423 has 4 divisors (see below), whose sum is σ = 22594470688048. Its totient is φ = 22297175020800.

The previous prime is 22445822854393. The next prime is 22445822854453. The reversal of 22445822854423 is 32445822854422.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22445822854393) and next prime (22445822854453).

It is a cyclic number.

It is not a de Polignac number, because 22445822854423 - 2²⁵ = 22445789299991 is a prime.

It is a super-2 number, since 2×22445822854423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445822854453) 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 3 ways as a sum of consecutive naturals, for example, 74323916586 + ... + 74323916887.

It is an arithmetic number, because the mean of its divisors is an integer number (5648617672012).

Almost surely, 2^{22445822854423} is an apocalyptic number.

22445822854423 is a deficient number, since it is larger than the sum of its proper divisors (148647833625).

22445822854423 is a wasteful number, since it uses less digits than its factorization.

22445822854423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148647833624.

The product of its digits is 39321600, while the sum is 55.

Subtracting 22445822854423 from its reverse (32445822854422), we obtain a palindrome (9999999999999).

The spelling of 22445822854423 in words is "twenty-two trillion, four hundred forty-five billion, eight hundred twenty-two million, eight hundred fifty-four thousand, four hundred twenty-three".