229965458 has 6 divisors (see below), whose sum is σ = 344980359. Its totient is φ = 114972006.

The previous prime is 229965401. The next prime is 229965469. The reversal of 229965458 is 854569922.

It can be written as a sum of positive squares in only one way, i.e., 114982729 + 114982729 = 10723^2 + 10723^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10723.

It is a super-2 number, since 2×229965458² = 105768223746299528, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 16085 + ... + 26807.

Almost surely, 2^229965458 is an apocalyptic number.

229965458 is a deficient number, since it is larger than the sum of its proper divisors (115014901).

229965458 is an frugal number, since it uses more digits than its factorization.

229965458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21448 (or 10725 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 229965458 is about 15164.6120293267. The cubic root of 229965458 is about 612.6618940645.

Multiplying 229965458 by its sum of digits (50), we get a square (11498272900 = 107230²).

The spelling of 229965458 in words is "two hundred twenty-nine million, nine hundred sixty-five thousand, four hundred fifty-eight".