228419769 has 16 divisors (see below), whose sum is σ = 322781760. Its totient is φ = 143185920.

The previous prime is 228419717. The next prime is 228419773. The reversal of 228419769 is 967914822.

It is not a de Polignac number, because 228419769 - 2¹⁵ = 228387001 is a prime.

It is a super-2 number, since 2×228419769² = 104351181740026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228419369) 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, 95154 + ... + 97524.

It is an arithmetic number, because the mean of its divisors is an integer number (20173860).

Almost surely, 2^228419769 is an apocalyptic number.

It is an amenable number.

228419769 is a deficient number, since it is larger than the sum of its proper divisors (94361991).

228419769 is a wasteful number, since it uses less digits than its factorization.

228419769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its digits is 435456, while the sum is 48.

The square root of 228419769 is about 15113.5624192313. The cubic root of 228419769 is about 611.2861593440.

The spelling of 228419769 in words is "two hundred twenty-eight million, four hundred nineteen thousand, seven hundred sixty-nine".