224044729 has 2 divisors, whose sum is σ = 224044730. Its totient is φ = 224044728.

The previous prime is 224044699. The next prime is 224044741. The reversal of 224044729 is 927440422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200279104 + 23765625 = 14152^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 224044729 - 2¹¹ = 224042681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224044694 and 224044703.

It is not a weakly prime, because it can be changed into another prime (224044529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112022364 + 112022365.

It is an arithmetic number, because the mean of its divisors is an integer number (112022365).

Almost surely, 2^224044729 is an apocalyptic number.

It is an amenable number.

224044729 is a deficient number, since it is larger than the sum of its proper divisors (1).

224044729 is an equidigital number, since it uses as much as digits as its factorization.

224044729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 224044729 is about 14968.1237635183. The cubic root of 224044729 is about 607.3582153717.

The spelling of 224044729 in words is "two hundred twenty-four million, forty-four thousand, seven hundred twenty-nine".