227228881 has 4 divisors (see below), whose sum is σ = 247886064. Its totient is φ = 206571700.

The previous prime is 227228839. The next prime is 227228933. The reversal of 227228881 is 188822722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227228881 - 2¹⁹ = 226704593 is a prime.

It is a super-2 number, since 2×227228881² = 103265928721024322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227228831) 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, 10328575 + ... + 10328596.

It is an arithmetic number, because the mean of its divisors is an integer number (61971516).

Almost surely, 2^227228881 is an apocalyptic number.

It is an amenable number.

227228881 is a deficient number, since it is larger than the sum of its proper divisors (20657183).

227228881 is a wasteful number, since it uses less digits than its factorization.

227228881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20657182.

The product of its digits is 57344, while the sum is 40.

The square root of 227228881 is about 15074.1129423923. The cubic root of 227228881 is about 610.2219751138.

The spelling of 227228881 in words is "two hundred twenty-seven million, two hundred twenty-eight thousand, eight hundred eighty-one".