1444723229 has 2 divisors, whose sum is σ = 1444723230. Its totient is φ = 1444723228.

The previous prime is 1444723199. The next prime is 1444723283. The reversal of 1444723229 is 9223274441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762312100 + 682411129 = 27610^2 + 26123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444723229 - 2⁸ = 1444722973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444723192 and 1444723201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444723129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722361614 + 722361615.

It is an arithmetic number, because the mean of its divisors is an integer number (722361615).

Almost surely, 2^1444723229 is an apocalyptic number.

It is an amenable number.

1444723229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444723229 is an equidigital number, since it uses as much as digits as its factorization.

1444723229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 1444723229 is about 38009.5149798047. The cubic root of 1444723229 is about 1130.4765340733.

The spelling of 1444723229 in words is "one billion, four hundred forty-four million, seven hundred twenty-three thousand, two hundred twenty-nine".