224401129 has 4 divisors (see below), whose sum is σ = 226922580. Its totient is φ = 221879680.

The previous prime is 224401097. The next prime is 224401141. The reversal of 224401129 is 921104422.

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 42771600 + 181629529 = 6540^2 + 13477^2 .

It is a cyclic number.

It is not a de Polignac number, because 224401129 - 2⁵ = 224401097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224501129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260592 + ... + 1260769.

It is an arithmetic number, because the mean of its divisors is an integer number (56730645).

Almost surely, 2^224401129 is an apocalyptic number.

It is an amenable number.

224401129 is a deficient number, since it is larger than the sum of its proper divisors (2521451).

224401129 is an equidigital number, since it uses as much as digits as its factorization.

224401129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521450.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 224401129 is about 14980.0243324235. The cubic root of 224401129 is about 607.6800972131.

The spelling of 224401129 in words is "two hundred twenty-four million, four hundred one thousand, one hundred twenty-nine".