229455780 has 96 divisors (see below), whose sum is σ = 679311360. Its totient is φ = 57709440.

The previous prime is 229455763. The next prime is 229455781. The reversal of 229455780 is 87554922.

It is not an unprimeable number, because it can be changed into a prime (229455781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491107 + ... + 491573.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^229455780 is an apocalyptic number.

229455780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229455780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339655680).

229455780 is an abundant number, since it is smaller than the sum of its proper divisors (449855580).

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

229455780 is a wasteful number, since it uses less digits than its factorization.

229455780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 229455780 is about 15147.7978597551. The cubic root of 229455780 is about 612.2089401499.

The spelling of 229455780 in words is "two hundred twenty-nine million, four hundred fifty-five thousand, seven hundred eighty".