229282990 has 32 divisors (see below), whose sum is σ = 428107680. Its totient is φ = 88308864.

The previous prime is 229282979. The next prime is 229282997. The reversal of 229282990 is 99282922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229282997) 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, 134584 + ... + 136276.

It is an arithmetic number, because the mean of its divisors is an integer number (13378365).

Almost surely, 2^229282990 is an apocalyptic number.

229282990 is a deficient number, since it is larger than the sum of its proper divisors (198824690).

229282990 is a wasteful number, since it uses less digits than its factorization.

229282990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 229282990 is about 15142.0933163153. The cubic root of 229282990 is about 612.0552284019.

The spelling of 229282990 in words is "two hundred twenty-nine million, two hundred eighty-two thousand, nine hundred ninety".