226736689 has 2 divisors, whose sum is σ = 226736690. Its totient is φ = 226736688.

The previous prime is 226736669. The next prime is 226736693. The reversal of 226736689 is 986637622.

It is a happy number.

226736689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196925089 + 29811600 = 14033^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 226736689 - 2⁷ = 226736561 is a prime.

It is a super-2 number, since 2×226736689² = 102819052277365442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226736669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113368344 + 113368345.

It is an arithmetic number, because the mean of its divisors is an integer number (113368345).

Almost surely, 2^226736689 is an apocalyptic number.

It is an amenable number.

226736689 is a deficient number, since it is larger than the sum of its proper divisors (1).

226736689 is an equidigital number, since it uses as much as digits as its factorization.

226736689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 226736689 is about 15057.7783553883. The cubic root of 226736689 is about 609.7810635966.

The spelling of 226736689 in words is "two hundred twenty-six million, seven hundred thirty-six thousand, six hundred eighty-nine".