226263437 has 2 divisors, whose sum is σ = 226263438. Its totient is φ = 226263436.

The previous prime is 226263409. The next prime is 226263487. The reversal of 226263437 is 734362622.

It is a happy number.

226263437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194295721 + 31967716 = 13939^2 + 5654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226263437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 226263397 and 226263406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226263487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113131718 + 113131719.

It is an arithmetic number, because the mean of its divisors is an integer number (113131719).

Almost surely, 2^226263437 is an apocalyptic number.

It is an amenable number.

226263437 is a deficient number, since it is larger than the sum of its proper divisors (1).

226263437 is an equidigital number, since it uses as much as digits as its factorization.

226263437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 226263437 is about 15042.0556108532. The cubic root of 226263437 is about 609.3565166324.

The spelling of 226263437 in words is "two hundred twenty-six million, two hundred sixty-three thousand, four hundred thirty-seven".