220412249 has 2 divisors, whose sum is σ = 220412250. Its totient is φ = 220412248.

The previous prime is 220412239. The next prime is 220412251. The reversal of 220412249 is 942214022.

It is a happy number.

220412249 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., 213160000 + 7252249 = 14600^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 220412249 - 2⁸ = 220411993 is a prime.

Together with 220412251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220412239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110206124 + 110206125.

It is an arithmetic number, because the mean of its divisors is an integer number (110206125).

Almost surely, 2^220412249 is an apocalyptic number.

It is an amenable number.

220412249 is a deficient number, since it is larger than the sum of its proper divisors (1).

220412249 is an equidigital number, since it uses as much as digits as its factorization.

220412249 is an evil number, because the sum of its binary digits is even.

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

The square root of 220412249 is about 14846.2873810256. The cubic root of 220412249 is about 604.0579094879.

The spelling of 220412249 in words is "two hundred twenty million, four hundred twelve thousand, two hundred forty-nine".