22444689012469 has 4 divisors (see below), whose sum is σ = 22444765259596. Its totient is φ = 22444612765344.

The previous prime is 22444689012467. The next prime is 22444689012491. The reversal of 22444689012469 is 96421098644422.

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 15867977472369 + 6576711540100 = 3983463^2 + 2564510^2 .

It is a cyclic number.

It is not a de Polignac number, because 22444689012469 - 2¹ = 22444689012467 is a prime.

It is a super-2 number, since 2×22444689012469² (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 (22444689012463) 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, 37680294 + ... + 38271319.

It is an arithmetic number, because the mean of its divisors is an integer number (5611191314899).

Almost surely, 2^{22444689012469} is an apocalyptic number.

It is an amenable number.

22444689012469 is a deficient number, since it is larger than the sum of its proper divisors (76247127).

22444689012469 is an equidigital number, since it uses as much as digits as its factorization.

22444689012469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76247126.

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 22444689012469 in words is "twenty-two trillion, four hundred forty-four billion, six hundred eighty-nine million, twelve thousand, four hundred sixty-nine".