226136261 has 32 divisors (see below), whose sum is σ = 265845888. Its totient is φ = 190494720.

The previous prime is 226136243. The next prime is 226136297. The reversal of 226136261 is 162631622.

226136261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226136261 - 2²² = 221941957 is a prime.

It is a super-2 number, since 2×226136261² = 102275217078120242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226136861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1726166 + ... + 1726296.

It is an arithmetic number, because the mean of its divisors is an integer number (8307684).

Almost surely, 2^226136261 is an apocalyptic number.

It is an amenable number.

226136261 is a deficient number, since it is larger than the sum of its proper divisors (39709627).

226136261 is a wasteful number, since it uses less digits than its factorization.

226136261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

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

The square root of 226136261 is about 15037.8276689155. The cubic root of 226136261 is about 609.2423281313.

Adding to 226136261 its reverse (162631622), we get a palindrome (388767883).

The spelling of 226136261 in words is "two hundred twenty-six million, one hundred thirty-six thousand, two hundred sixty-one".