440412227 has 2 divisors, whose sum is σ = 440412228. Its totient is φ = 440412226.

The previous prime is 440412197. The next prime is 440412311. The reversal of 440412227 is 722214044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440412227 - 2¹⁶ = 440346691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440412196 and 440412205.

It is not a weakly prime, because it can be changed into another prime (440712227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220206113 + 220206114.

It is an arithmetic number, because the mean of its divisors is an integer number (220206114).

Almost surely, 2^440412227 is an apocalyptic number.

440412227 is a deficient number, since it is larger than the sum of its proper divisors (1).

440412227 is an equidigital number, since it uses as much as digits as its factorization.

440412227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 440412227 is about 20986.0007385876. Note that the first 3 decimals coincide. The cubic root of 440412227 is about 760.8279452376.

The spelling of 440412227 in words is "four hundred forty million, four hundred twelve thousand, two hundred twenty-seven".