229147776 has 288 divisors, whose sum is σ = 786211920. Its totient is φ = 63498240.

The previous prime is 229147769. The next prime is 229147813. The reversal of 229147776 is 677741922.

229147776 is a `hidden beast` number, since 22 + 91 + 477 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2141515 + ... + 2141621.

Almost surely, 2^229147776 is an apocalyptic number.

229147776 is a gapful number since it is divisible by the number (26) 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 229147776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393105960).

229147776 is an abundant number, since it is smaller than the sum of its proper divisors (557064144).

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

229147776 is a wasteful number, since it uses less digits than its factorization.

229147776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 136 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 229147776 is about 15137.6278194438. The cubic root of 229147776 is about 611.9348899078.

The spelling of 229147776 in words is "two hundred twenty-nine million, one hundred forty-seven thousand, seven hundred seventy-six".