226084391 has 4 divisors (see below), whose sum is σ = 243475512. Its totient is φ = 208693272.

The previous prime is 226084381. The next prime is 226084403. The reversal of 226084391 is 193480622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226084391 is a prime.

It is a super-2 number, since 2×226084391² = 102228303707681762, 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 (226084351) 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, 8695541 + ... + 8695566.

It is an arithmetic number, because the mean of its divisors is an integer number (60868878).

Almost surely, 2^226084391 is an apocalyptic number.

226084391 is a deficient number, since it is larger than the sum of its proper divisors (17391121).

226084391 is a wasteful number, since it uses less digits than its factorization.

226084391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391120.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 226084391 is about 15036.1029193072. The cubic root of 226084391 is about 609.1957429207.

The spelling of 226084391 in words is "two hundred twenty-six million, eighty-four thousand, three hundred ninety-one".