22224455557789 has 16 divisors (see below), whose sum is σ = 22988962644480. Its totient is φ = 21462967656000.

The previous prime is 22224455557763. The next prime is 22224455557813. The reversal of 22224455557789 is 98775555442222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22224455557789 - 2⁹ = 22224455557277 is a prime.

It is a super-2 number, since 2×22224455557789² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224455557739) 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, 29430267 + ... + 30175975.

It is an arithmetic number, because the mean of its divisors is an integer number (1436810165280).

Almost surely, 2^{22224455557789} is an apocalyptic number.

It is an amenable number.

22224455557789 is a deficient number, since it is larger than the sum of its proper divisors (764507086691).

22224455557789 is a wasteful number, since it uses less digits than its factorization.

22224455557789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747732.

The product of its digits is 564480000, while the sum is 67.

The spelling of 22224455557789 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred fifty-five million, five hundred fifty-seven thousand, seven hundred eighty-nine".