226632947 has 2 divisors, whose sum is σ = 226632948. Its totient is φ = 226632946.

The previous prime is 226632943. The next prime is 226632949. The reversal of 226632947 is 749236622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226632947 - 2² = 226632943 is a prime.

Together with 226632949, 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 (226632943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113316473 + 113316474.

It is an arithmetic number, because the mean of its divisors is an integer number (113316474).

Almost surely, 2^226632947 is an apocalyptic number.

226632947 is a deficient number, since it is larger than the sum of its proper divisors (1).

226632947 is an equidigital number, since it uses as much as digits as its factorization.

226632947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 226632947 is about 15054.3331635779. Note that the first 3 decimals coincide. The cubic root of 226632947 is about 609.6880488638.

The spelling of 226632947 in words is "two hundred twenty-six million, six hundred thirty-two thousand, nine hundred forty-seven".