226437109 has 2 divisors, whose sum is σ = 226437110. Its totient is φ = 226437108.

The previous prime is 226437083. The next prime is 226437121. The reversal of 226437109 is 901734622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214534609 + 11902500 = 14647^2 + 3450^2 .

It is a cyclic number.

It is not a de Polignac number, because 226437109 - 2⁹ = 226436597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226437179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113218554 + 113218555.

It is an arithmetic number, because the mean of its divisors is an integer number (113218555).

Almost surely, 2^226437109 is an apocalyptic number.

It is an amenable number.

226437109 is a deficient number, since it is larger than the sum of its proper divisors (1).

226437109 is an equidigital number, since it uses as much as digits as its factorization.

226437109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 226437109 is about 15047.8273847091. The cubic root of 226437109 is about 609.5123837656.

The spelling of 226437109 in words is "two hundred twenty-six million, four hundred thirty-seven thousand, one hundred nine".