226131266 has 4 divisors (see below), whose sum is σ = 339196902. Its totient is φ = 113065632.

The previous prime is 226131253. The next prime is 226131287. The reversal of 226131266 is 662131622.

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

It can be written as a sum of positive squares in only one way, i.e., 208196041 + 17935225 = 14429^2 + 4235^2 .

It is a super-2 number, since 2×226131266² = 102270698925525512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56532815 + ... + 56532818.

Almost surely, 2^226131266 is an apocalyptic number.

226131266 is a deficient number, since it is larger than the sum of its proper divisors (113065636).

226131266 is a wasteful number, since it uses less digits than its factorization.

226131266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113065635.

The product of its digits is 5184, while the sum is 29.

The square root of 226131266 is about 15037.6615868293. The cubic root of 226131266 is about 609.2378423582.

Adding to 226131266 its reverse (662131622), we get a palindrome (888262888).

The spelling of 226131266 in words is "two hundred twenty-six million, one hundred thirty-one thousand, two hundred sixty-six".