226890811 has 8 divisors (see below), whose sum is σ = 259805664. Its totient is φ = 194101440.

The previous prime is 226890787. The next prime is 226890817. The reversal of 226890811 is 118098622.

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

It is a cyclic number.

It is not a de Polignac number, because 226890811 - 2⁷ = 226890683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226890817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27460 + ... + 34753.

It is an arithmetic number, because the mean of its divisors is an integer number (32475708).

Almost surely, 2^226890811 is an apocalyptic number.

226890811 is a deficient number, since it is larger than the sum of its proper divisors (32914853).

226890811 is an equidigital number, since it uses as much as digits as its factorization.

226890811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62741.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 226890811 is about 15062.8951732394. The cubic root of 226890811 is about 609.9191964992.

The spelling of 226890811 in words is "two hundred twenty-six million, eight hundred ninety thousand, eight hundred eleven".