226052989 has 2 divisors, whose sum is σ = 226052990. Its totient is φ = 226052988.

The previous prime is 226052977. The next prime is 226053077. The reversal of 226052989 is 989250622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226051225 + 1764 = 15035^2 + 42^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226052989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226052929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113026494 + 113026495.

It is an arithmetic number, because the mean of its divisors is an integer number (113026495).

Almost surely, 2^226052989 is an apocalyptic number.

It is an amenable number.

226052989 is a deficient number, since it is larger than the sum of its proper divisors (1).

226052989 is an equidigital number, since it uses as much as digits as its factorization.

226052989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 226052989 is about 15035.0586630049. The cubic root of 226052989 is about 609.1675368595.

The spelling of 226052989 in words is "two hundred twenty-six million, fifty-two thousand, nine hundred eighty-nine".