226281731 has 4 divisors (see below), whose sum is σ = 243688032. Its totient is φ = 208875432.

The previous prime is 226281721. The next prime is 226281743. The reversal of 226281731 is 137182622.

226281731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226281731 - 2²² = 222087427 is a prime.

It is a super-2 number, since 2×226281731² = 102406843568712722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226281721) 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, 8703131 + ... + 8703156.

It is an arithmetic number, because the mean of its divisors is an integer number (60922008).

Almost surely, 2^226281731 is an apocalyptic number.

226281731 is a deficient number, since it is larger than the sum of its proper divisors (17406301).

226281731 is a wasteful number, since it uses less digits than its factorization.

226281731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17406300.

The product of its digits is 8064, while the sum is 32.

The square root of 226281731 is about 15042.6636936415. The cubic root of 226281731 is about 609.3729388876.

The spelling of 226281731 in words is "two hundred twenty-six million, two hundred eighty-one thousand, seven hundred thirty-one".