218327441 has 2 divisors, whose sum is σ = 218327442. Its totient is φ = 218327440.

The previous prime is 218327429. The next prime is 218327453. The reversal of 218327441 is 144723812.

It is a balanced prime because it is at equal distance from previous prime (218327429) and next prime (218327453).

It can be written as a sum of positive squares in only one way, i.e., 187580416 + 30747025 = 13696^2 + 5545^2 .

It is a cyclic number.

It is not a de Polignac number, because 218327441 - 2⁶ = 218327377 is a prime.

It is a Chen prime.

It is equal to p_12035579 and since 218327441 and 12035579 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 218327398 and 218327407.

It is not a weakly prime, because it can be changed into another prime (218327471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109163720 + 109163721.

It is an arithmetic number, because the mean of its divisors is an integer number (109163721).

Almost surely, 2^218327441 is an apocalyptic number.

It is an amenable number.

218327441 is a deficient number, since it is larger than the sum of its proper divisors (1).

218327441 is an equidigital number, since it uses as much as digits as its factorization.

218327441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 218327441 is about 14775.9074509825. The cubic root of 218327441 is about 602.1473436536.

The spelling of 218327441 in words is "two hundred eighteen million, three hundred twenty-seven thousand, four hundred forty-one".