226739 has 4 divisors (see below), whose sum is σ = 232056. Its totient is φ = 221424.

The previous prime is 226697. The next prime is 226741. The reversal of 226739 is 937622.

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

It is a cyclic number.

It is not a de Polignac number, because 226739 - 2⁸ = 226483 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁵ + 7⁵ + 6 + 3¹¹ + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (58014).

2²²⁶⁷³⁹ is an apocalyptic number.

226739 is a deficient number, since it is larger than the sum of its proper divisors (5317).

226739 is an equidigital number, since it uses as much as digits as its factorization.

226739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316.

The product of its digits is 4536, while the sum is 29.

The square root of 226739 is about 476.1711877046. The cubic root of 226739 is about 60.9783135308.

The spelling of 226739 in words is "two hundred twenty-six thousand, seven hundred thirty-nine".