226607389 has 2 divisors, whose sum is σ = 226607390. Its totient is φ = 226607388.

The previous prime is 226607371. The next prime is 226607393. The reversal of 226607389 is 983706622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 69305625 = 12542^2 + 8325^2 .

It is a cyclic number.

It is not a de Polignac number, because 226607389 - 2²⁵ = 193052957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226607089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113303694 + 113303695.

It is an arithmetic number, because the mean of its divisors is an integer number (113303695).

Almost surely, 2^226607389 is an apocalyptic number.

It is an amenable number.

226607389 is a deficient number, since it is larger than the sum of its proper divisors (1).

226607389 is an equidigital number, since it uses as much as digits as its factorization.

226607389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 226607389 is about 15053.4842810560. The cubic root of 226607389 is about 609.6651292881.

The spelling of 226607389 in words is "two hundred twenty-six million, six hundred seven thousand, three hundred eighty-nine".