244274321 has 2 divisors, whose sum is σ = 244274322. Its totient is φ = 244274320.

The previous prime is 244274311. The next prime is 244274323. The reversal of 244274321 is 123472442.

244274321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241367296 + 2907025 = 15536^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 244274321 - 2²² = 240080017 is a prime.

It is a super-2 number, since 2×244274321² = 119339887800022082, which contains 22 as substring.

Together with 244274323, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_13382813 and since 244274321 and 13382813 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (244274323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122137160 + 122137161.

It is an arithmetic number, because the mean of its divisors is an integer number (122137161).

Almost surely, 2^244274321 is an apocalyptic number.

It is an amenable number.

244274321 is a deficient number, since it is larger than the sum of its proper divisors (1).

244274321 is an equidigital number, since it uses as much as digits as its factorization.

244274321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 244274321 is about 15629.2776864448. The cubic root of 244274321 is about 625.1140664342.

The spelling of 244274321 in words is "two hundred forty-four million, two hundred seventy-four thousand, three hundred twenty-one".