44218313 has 2 divisors, whose sum is σ = 44218314. Its totient is φ = 44218312.

The previous prime is 44218277. The next prime is 44218331. The reversal of 44218313 is 31381244.

Together with next prime (44218331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 7772944 = 6037^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 44218313 - 2⁶ = 44218249 is a prime.

It is not a weakly prime, because it can be changed into another prime (44218373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22109156 + 22109157.

It is an arithmetic number, because the mean of its divisors is an integer number (22109157).

Almost surely, 2^44218313 is an apocalyptic number.

It is an amenable number.

44218313 is a deficient number, since it is larger than the sum of its proper divisors (1).

44218313 is an equidigital number, since it uses as much as digits as its factorization.

44218313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 44218313 is about 6649.6851805179. The cubic root of 44218313 is about 353.6177500124.

Adding to 44218313 its reverse (31381244), we get a palindrome (75599557).

The spelling of 44218313 in words is "forty-four million, two hundred eighteen thousand, three hundred thirteen".