226661983 has 2 divisors, whose sum is σ = 226661984. Its totient is φ = 226661982.

The previous prime is 226661971. The next prime is 226662013. The reversal of 226661983 is 389166622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226661983 - 2⁵ = 226661951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226665983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113330991 + 113330992.

It is an arithmetic number, because the mean of its divisors is an integer number (113330992).

Almost surely, 2^226661983 is an apocalyptic number.

226661983 is a deficient number, since it is larger than the sum of its proper divisors (1).

226661983 is an equidigital number, since it uses as much as digits as its factorization.

226661983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 226661983 is about 15055.2975061936. The cubic root of 226661983 is about 609.7140853050.

It can be divided in two parts, 22666 and 1983, that added together give a square (24649 = 157²).

The spelling of 226661983 in words is "two hundred twenty-six million, six hundred sixty-one thousand, nine hundred eighty-three".