229479490 has 16 divisors (see below), whose sum is σ = 413495352. Its totient is φ = 91695744.

The previous prime is 229479463. The next prime is 229479491. The reversal of 229479490 is 94974922.

It can be written as a sum of positive squares in 4 ways, for example, as 215707969 + 13771521 = 14687^2 + 3711^2 .

It is a super-3 number, since 3×229479490³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229479490.

It is not an unprimeable number, because it can be changed into a prime (229479491) 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 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 21478.

Almost surely, 2^229479490 is an apocalyptic number.

229479490 is a deficient number, since it is larger than the sum of its proper divisors (184015862).

229479490 is a wasteful number, since it uses less digits than its factorization.

229479490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 229479490 is about 15148.5804615482. The cubic root of 229479490 is about 612.2300262375.

The spelling of 229479490 in words is "two hundred twenty-nine million, four hundred seventy-nine thousand, four hundred ninety".