418522249 has 2 divisors, whose sum is σ = 418522250. Its totient is φ = 418522248.

The previous prime is 418522231. The next prime is 418522309. The reversal of 418522249 is 942225814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229734649 + 188787600 = 15157^2 + 13740^2 .

It is a cyclic number.

It is not a de Polignac number, because 418522249 - 2⁷ = 418522121 is a prime.

It is not a weakly prime, because it can be changed into another prime (418522849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209261124 + 209261125.

It is an arithmetic number, because the mean of its divisors is an integer number (209261125).

Almost surely, 2^418522249 is an apocalyptic number.

It is an amenable number.

418522249 is a deficient number, since it is larger than the sum of its proper divisors (1).

418522249 is an equidigital number, since it uses as much as digits as its factorization.

418522249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 418522249 is about 20457.8163301952. The cubic root of 418522249 is about 748.0078979835.

The spelling of 418522249 in words is "four hundred eighteen million, five hundred twenty-two thousand, two hundred forty-nine".