229420747 has 2 divisors, whose sum is σ = 229420748. Its totient is φ = 229420746.

The previous prime is 229420727. The next prime is 229420753. The reversal of 229420747 is 747024922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229420747 - 2⁷ = 229420619 is a prime.

It is not a weakly prime, because it can be changed into another prime (229420727) 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, 114710373 + 114710374.

It is an arithmetic number, because the mean of its divisors is an integer number (114710374).

Almost surely, 2^229420747 is an apocalyptic number.

229420747 is a deficient number, since it is larger than the sum of its proper divisors (1).

229420747 is an equidigital number, since it uses as much as digits as its factorization.

229420747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 229420747 is about 15146.6414429074. The cubic root of 229420747 is about 612.1777814848.

The spelling of 229420747 in words is "two hundred twenty-nine million, four hundred twenty thousand, seven hundred forty-seven".