224442100129 has 4 divisors (see below), whose sum is σ = 241706877076. Its totient is φ = 207177323184.

The previous prime is 224442100123. The next prime is 224442100193. The reversal of 224442100129 is 921001244422.

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 73509850129 + 150932250000 = 271127^2 + 388500^2 .

It is not a de Polignac number, because 224442100129 - 2³ = 224442100121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224442100129.

It is not an unprimeable number, because it can be changed into a prime (224442100121) 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, 8632388454 + ... + 8632388479.

It is an arithmetic number, because the mean of its divisors is an integer number (60426719269).

Almost surely, 2^224442100129 is an apocalyptic number.

It is an amenable number.

224442100129 is a deficient number, since it is larger than the sum of its proper divisors (17264776947).

224442100129 is a wasteful number, since it uses less digits than its factorization.

224442100129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17264776946.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 224442100129 in words is "two hundred twenty-four billion, four hundred forty-two million, one hundred thousand, one hundred twenty-nine".