226493437 has 4 divisors (see below), whose sum is σ = 226912636. Its totient is φ = 226074240.

The previous prime is 226493429. The next prime is 226493441. The reversal of 226493437 is 734394622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148011556 + 78481881 = 12166^2 + 8859^2 .

It is a cyclic number.

It is not a de Polignac number, because 226493437 - 2³ = 226493429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226493437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226493417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208788 + ... + 209869.

It is an arithmetic number, because the mean of its divisors is an integer number (56728159).

Almost surely, 2^226493437 is an apocalyptic number.

It is an amenable number.

226493437 is a deficient number, since it is larger than the sum of its proper divisors (419199).

226493437 is an equidigital number, since it uses as much as digits as its factorization.

226493437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419198.

The product of its digits is 217728, while the sum is 40.

The square root of 226493437 is about 15049.6989006425. The cubic root of 226493437 is about 609.5629198980.

The spelling of 226493437 in words is "two hundred twenty-six million, four hundred ninety-three thousand, four hundred thirty-seven".