229811490 has 96 divisors (see below), whose sum is σ = 614615040. Its totient is φ = 59555328.

The previous prime is 229811489. The next prime is 229811501. The reversal of 229811490 is 94118922.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 599839 + ... + 600221.

It is an arithmetic number, because the mean of its divisors is an integer number (6402240).

Almost surely, 2^229811490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229811490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307307520).

229811490 is an abundant number, since it is smaller than the sum of its proper divisors (384803550).

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

229811490 is a wasteful number, since it uses less digits than its factorization.

229811490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 229811490 is about 15159.5346234639. The cubic root of 229811490 is about 612.5251323854.

The spelling of 229811490 in words is "two hundred twenty-nine million, eight hundred eleven thousand, four hundred ninety".