229865980 has 12 divisors (see below), whose sum is σ = 482718600. Its totient is φ = 91946384.

The previous prime is 229865963. The next prime is 229865983. The reversal of 229865980 is 89568922.

It is a super-2 number, since 2×229865980² = 105676737522720800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229865983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5746630 + ... + 5746669.

It is an arithmetic number, because the mean of its divisors is an integer number (40226550).

Almost surely, 2^229865980 is an apocalyptic number.

229865980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229865980 is an abundant number, since it is smaller than the sum of its proper divisors (252852620).

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

229865980 is a wasteful number, since it uses less digits than its factorization.

229865980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493308 (or 11493306 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 229865980 is about 15161.3317357018. The cubic root of 229865980 is about 612.5735399692.

The spelling of 229865980 in words is "two hundred twenty-nine million, eight hundred sixty-five thousand, nine hundred eighty".