228259369 has 16 divisors (see below), whose sum is σ = 260124480. Its totient is φ = 198555840.

The previous prime is 228259321. The next prime is 228259403. The reversal of 228259369 is 963952822.

It is a cyclic number.

It is not a de Polignac number, because 228259369 - 2⁹ = 228258857 is a prime.

It is a super-2 number, since 2×228259369² = 104204679072556322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228259309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46314 + ... + 51004.

It is an arithmetic number, because the mean of its divisors is an integer number (16257780).

Almost surely, 2^228259369 is an apocalyptic number.

It is an amenable number.

228259369 is a deficient number, since it is larger than the sum of its proper divisors (31865111).

228259369 is a wasteful number, since it uses less digits than its factorization.

228259369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 466560, while the sum is 46.

The square root of 228259369 is about 15108.2549952005. The cubic root of 228259369 is about 611.1430408796.

The spelling of 228259369 in words is "two hundred twenty-eight million, two hundred fifty-nine thousand, three hundred sixty-nine".