229018620 has 48 divisors (see below), whose sum is σ = 656899488. Its totient is φ = 59581440.

The previous prime is 229018619. The next prime is 229018667. The reversal of 229018620 is 26810922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 44089 + ... + 49008.

It is an arithmetic number, because the mean of its divisors is an integer number (13685406).

Almost surely, 2^229018620 is an apocalyptic number.

229018620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229018620 is an abundant number, since it is smaller than the sum of its proper divisors (427880868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229018620 is a wasteful number, since it uses less digits than its factorization.

229018620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93150 (or 93148 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 229018620 is about 15133.3611600332. The cubic root of 229018620 is about 611.8198987324.

It can be divided in two parts, 2290 and 18620, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 229018620 in words is "two hundred twenty-nine million, eighteen thousand, six hundred twenty".