22444200434431 has 8 divisors (see below), whose sum is σ = 23991255608544. Its totient is φ = 20944746958080.

The previous prime is 22444200434363. The next prime is 22444200434489. The reversal of 22444200434431 is 13443400244422.

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 22444200434431 - 2²¹ = 22444198337279 is a prime.

It is a super-2 number, since 2×22444200434431² (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 (22444200432431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11900423466 + ... + 11900425351.

It is an arithmetic number, because the mean of its divisors is an integer number (2998906951068).

Almost surely, 2^{22444200434431} is an apocalyptic number.

22444200434431 is a deficient number, since it is larger than the sum of its proper divisors (1547055174113).

22444200434431 is a wasteful number, since it uses less digits than its factorization.

22444200434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23800848881.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 22444200434431 its reverse (13443400244422), we get a palindrome (35887600678853).

The spelling of 22444200434431 in words is "twenty-two trillion, four hundred forty-four billion, two hundred million, four hundred thirty-four thousand, four hundred thirty-one".