228363089 has 4 divisors (see below), whose sum is σ = 228411456. Its totient is φ = 228314724.

The previous prime is 228363073. The next prime is 228363101. The reversal of 228363089 is 980363822.

228363089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 228363089 - 2⁴ = 228363073 is a prime.

It is a super-3 number, since 3×228363089³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228363049) 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, 16229 + ... + 26834.

It is an arithmetic number, because the mean of its divisors is an integer number (57102864).

Almost surely, 2^228363089 is an apocalyptic number.

It is an amenable number.

228363089 is a deficient number, since it is larger than the sum of its proper divisors (48367).

228363089 is an equidigital number, since it uses as much as digits as its factorization.

228363089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48366.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 228363089 is about 15111.6871658991. The cubic root of 228363089 is about 611.2355937181.

The spelling of 228363089 in words is "two hundred twenty-eight million, three hundred sixty-three thousand, eighty-nine".