226061391 has 16 divisors (see below), whose sum is σ = 308027520. Its totient is φ = 147426720.

The previous prime is 226061347. The next prime is 226061441. The reversal of 226061391 is 193160622.

It is not a de Polignac number, because 226061391 - 2¹⁴ = 226045007 is a prime.

It is a super-2 number, since 2×226061391² = 102207505001709762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226061491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34321 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (19251720).

Almost surely, 2^226061391 is an apocalyptic number.

226061391 is a deficient number, since it is larger than the sum of its proper divisors (81966129).

226061391 is a wasteful number, since it uses less digits than its factorization.

226061391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 226061391 is about 15035.3380740175. The cubic root of 226061391 is about 609.1750840018.

The spelling of 226061391 in words is "two hundred twenty-six million, sixty-one thousand, three hundred ninety-one".