22244444446669 has 4 divisors (see below), whose sum is σ = 23552941178844. Its totient is φ = 20935947714496.

The previous prime is 22244444446643. The next prime is 22244444446691. The reversal of 22244444446669 is 96664444444222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6350173202025 + 15894271244644 = 2519955^2 + 3986762^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244444446669 - 2⁷ = 22244444446541 is a prime.

It is a super-2 number, since 2×22244444446669² (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 (22244444446069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654248366062 + ... + 654248366095.

It is an arithmetic number, because the mean of its divisors is an integer number (5888235294711).

Almost surely, 2^{22244444446669} is an apocalyptic number.

It is an amenable number.

22244444446669 is a deficient number, since it is larger than the sum of its proper divisors (1308496732175).

22244444446669 is a wasteful number, since it uses less digits than its factorization.

22244444446669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308496732174.

The product of its digits is 254803968, while the sum is 61.

The spelling of 22244444446669 in words is "twenty-two trillion, two hundred forty-four billion, four hundred forty-four million, four hundred forty-six thousand, six hundred sixty-nine".