418822541 has 2 divisors, whose sum is σ = 418822542. Its totient is φ = 418822540.

The previous prime is 418822531. The next prime is 418822543. The reversal of 418822541 is 145228814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347673316 + 71149225 = 18646^2 + 8435^2 .

It is a cyclic number.

It is not a de Polignac number, because 418822541 - 2¹⁸ = 418560397 is a prime.

Together with 418822543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418822543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209411270 + 209411271.

It is an arithmetic number, because the mean of its divisors is an integer number (209411271).

Almost surely, 2^418822541 is an apocalyptic number.

It is an amenable number.

418822541 is a deficient number, since it is larger than the sum of its proper divisors (1).

418822541 is an equidigital number, since it uses as much as digits as its factorization.

418822541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 35.

The square root of 418822541 is about 20465.1543116586. The cubic root of 418822541 is about 748.1867551310.

The spelling of 418822541 in words is "four hundred eighteen million, eight hundred twenty-two thousand, five hundred forty-one".