226184881 has 8 divisors (see below), whose sum is σ = 257912424. Its totient is φ = 196504320.

The previous prime is 226184869. The next prime is 226184887. The reversal of 226184881 is 188481622.

It can be written as a sum of positive squares in 4 ways, for example, as 13024881 + 213160000 = 3609^2 + 14600^2 .

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 226184881 - 2²³ = 217796273 is a prime.

It is a super-2 number, since 2×226184881² = 102319200785968322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226184887) 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 7 ways as a sum of consecutive naturals, for example, 511510 + ... + 511951.

It is an arithmetic number, because the mean of its divisors is an integer number (32239053).

Almost surely, 2^226184881 is an apocalyptic number.

It is an amenable number.

226184881 is a deficient number, since it is larger than the sum of its proper divisors (31727543).

226184881 is a wasteful number, since it uses less digits than its factorization.

226184881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023491.

The product of its digits is 49152, while the sum is 40.

The square root of 226184881 is about 15039.4441719101. Note that the first 3 decimals coincide. The cubic root of 226184881 is about 609.2859880014.

The spelling of 226184881 in words is "two hundred twenty-six million, one hundred eighty-four thousand, eight hundred eighty-one".