22245442469 has 8 divisors (see below), whose sum is σ = 22303911168. Its totient is φ = 22187017440.

The previous prime is 22245442451. The next prime is 22245442481. The reversal of 22245442469 is 96424454222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22245442469 - 2⁸ = 22245442213 is a prime.

It is a super-2 number, since 2×22245442469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245442369) 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 7 ways as a sum of consecutive naturals, for example, 1174694 + ... + 1193480.

It is an arithmetic number, because the mean of its divisors is an integer number (2787988896).

Almost surely, 2^22245442469 is an apocalyptic number.

It is an amenable number.

22245442469 is a deficient number, since it is larger than the sum of its proper divisors (58468699).

22245442469 is a wasteful number, since it uses less digits than its factorization.

22245442469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21835.

The product of its digits is 1105920, while the sum is 44.

The spelling of 22245442469 in words is "twenty-two billion, two hundred forty-five million, four hundred forty-two thousand, four hundred sixty-nine".