229756680 has 192 divisors, whose sum is σ = 785341440. Its totient is φ = 58185216.

The previous prime is 229756621. The next prime is 229756693. The reversal of 229756680 is 86657922.

229756680 is a `hidden beast` number, since 2 + 2 + 9 + 7 + 566 + 80 = 666.

229756680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625857 + ... + 626223.

It is an arithmetic number, because the mean of its divisors is an integer number (4090320).

Almost surely, 2^229756680 is an apocalyptic number.

229756680 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 229756680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392670720).

229756680 is an abundant number, since it is smaller than the sum of its proper divisors (555584760).

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

229756680 is a wasteful number, since it uses less digits than its factorization.

229756680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 229756680 is about 15157.7267424901. The cubic root of 229756680 is about 612.4764328014.

The spelling of 229756680 in words is "two hundred twenty-nine million, seven hundred fifty-six thousand, six hundred eighty".