228560469 has 4 divisors (see below), whose sum is σ = 304747296. Its totient is φ = 152373644.

The previous prime is 228560459. The next prime is 228560531. The reversal of 228560469 is 964065822.

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 228560469 - 2⁹ = 228559957 is a prime.

It is a super-2 number, since 2×228560469² = 104479775978999922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228560469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228560429) 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 3 ways as a sum of consecutive naturals, for example, 38093409 + ... + 38093414.

It is an arithmetic number, because the mean of its divisors is an integer number (76186824).

Almost surely, 2^228560469 is an apocalyptic number.

It is an amenable number.

228560469 is a deficient number, since it is larger than the sum of its proper divisors (76186827).

228560469 is an equidigital number, since it uses as much as digits as its factorization.

228560469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76186826.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 228560469 is about 15118.2164622683. The cubic root of 228560469 is about 611.4116451394.

The spelling of 228560469 in words is "two hundred twenty-eight million, five hundred sixty thousand, four hundred sixty-nine".