227901081 has 8 divisors (see below), whose sum is σ = 303966784. Its totient is φ = 151884720.

The previous prime is 227901077. The next prime is 227901131. The reversal of 227901081 is 180109722.

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

It is not a de Polignac number, because 227901081 - 2² = 227901077 is a prime.

It is a super-2 number, since 2×227901081² = 103877805441937122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227901061) 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, 291 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (37995848).

Almost surely, 2^227901081 is an apocalyptic number.

It is an amenable number.

227901081 is a deficient number, since it is larger than the sum of its proper divisors (76065703).

227901081 is a wasteful number, since it uses less digits than its factorization.

227901081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24671.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 227901081 is about 15096.3929797816. The cubic root of 227901081 is about 610.8231125961.

It can be divided in two parts, 22790 and 1081, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 227901081 in words is "two hundred twenty-seven million, nine hundred one thousand, eighty-one".