228374669 has 2 divisors, whose sum is σ = 228374670. Its totient is φ = 228374668.

The previous prime is 228374611. The next prime is 228374683. The reversal of 228374669 is 966473822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143089444 + 85285225 = 11962^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 228374669 - 2¹² = 228370573 is a prime.

It is a super-2 number, since 2×228374669² = 104309978881719122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228374369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114187334 + 114187335.

It is an arithmetic number, because the mean of its divisors is an integer number (114187335).

Almost surely, 2^228374669 is an apocalyptic number.

It is an amenable number.

228374669 is a deficient number, since it is larger than the sum of its proper divisors (1).

228374669 is an equidigital number, since it uses as much as digits as its factorization.

228374669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 228374669 is about 15112.0703082007. The cubic root of 228374669 is about 611.2459252018.

The spelling of 228374669 in words is "two hundred twenty-eight million, three hundred seventy-four thousand, six hundred sixty-nine".