224228947 has 2 divisors, whose sum is σ = 224228948. Its totient is φ = 224228946.

The previous prime is 224228941. The next prime is 224228981. The reversal of 224228947 is 749822422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224228947 - 2¹⁵ = 224196179 is a prime.

It is not a weakly prime, because it can be changed into another prime (224228941) 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, 112114473 + 112114474.

It is an arithmetic number, because the mean of its divisors is an integer number (112114474).

Almost surely, 2^224228947 is an apocalyptic number.

224228947 is a deficient number, since it is larger than the sum of its proper divisors (1).

224228947 is an equidigital number, since it uses as much as digits as its factorization.

224228947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 224228947 is about 14974.2761761629. The cubic root of 224228947 is about 607.5246340217.

The spelling of 224228947 in words is "two hundred twenty-four million, two hundred twenty-eight thousand, nine hundred forty-seven".