226115391 has 8 divisors (see below), whose sum is σ = 301986304. Its totient is φ = 150494040.

The previous prime is 226115359. The next prime is 226115411. The reversal of 226115391 is 193511622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226115391 - 2⁵ = 226115359 is a prime.

It is a super-2 number, since 2×226115391² = 102256340094165762, 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 (226115341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60265 + ... + 63906.

It is an arithmetic number, because the mean of its divisors is an integer number (37748288).

Almost surely, 2^226115391 is an apocalyptic number.

226115391 is a deficient number, since it is larger than the sum of its proper divisors (75870913).

226115391 is a wasteful number, since it uses less digits than its factorization.

226115391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124781.

The product of its digits is 3240, while the sum is 30.

The square root of 226115391 is about 15037.1337361879. The cubic root of 226115391 is about 609.2235853336.

The spelling of 226115391 in words is "two hundred twenty-six million, one hundred fifteen thousand, three hundred ninety-one".