229479489 has 12 divisors (see below), whose sum is σ = 336418576. Its totient is φ = 150702552.

The previous prime is 229479463. The next prime is 229479491. The reversal of 229479489 is 984974922.

229479489 is a `hidden beast` number, since 2 + 2 + 94 + 79 + 489 = 666.

It is not a de Polignac number, because 229479489 - 2⁵ = 229479457 is a prime.

It is a super-2 number, since 2×229479489² = 105321671743402242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229479449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189679 + ... + 190884.

Almost surely, 2^229479489 is an apocalyptic number.

It is an amenable number.

229479489 is a deficient number, since it is larger than the sum of its proper divisors (106939087).

229479489 is a wasteful number, since it uses less digits than its factorization.

229479489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380636 (or 380633 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 229479489 is about 15148.5804285418. The cubic root of 229479489 is about 612.2300253482.

The spelling of 229479489 in words is "two hundred twenty-nine million, four hundred seventy-nine thousand, four hundred eighty-nine".