228606269 has 4 divisors (see below), whose sum is σ = 238545696. Its totient is φ = 218666844.

The previous prime is 228606263. The next prime is 228606277. The reversal of 228606269 is 962606822.

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 228606269 - 2⁴ = 228606253 is a prime.

It is a super-2 number, since 2×228606269² = 104521652452200722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228606263) 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, 4969679 + ... + 4969724.

It is an arithmetic number, because the mean of its divisors is an integer number (59636424).

Almost surely, 2^228606269 is an apocalyptic number.

It is an amenable number.

228606269 is a deficient number, since it is larger than the sum of its proper divisors (9939427).

228606269 is an equidigital number, since it uses as much as digits as its factorization.

228606269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939426.

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

The square root of 228606269 is about 15119.7311153340. The cubic root of 228606269 is about 611.4524815728.

The spelling of 228606269 in words is "two hundred twenty-eight million, six hundred six thousand, two hundred sixty-nine".