229142592 has 168 divisors, whose sum is σ = 795015936. Its totient is φ = 61599744.

The previous prime is 229142587. The next prime is 229142593. The reversal of 229142592 is 295241922.

229142592 is a `hidden beast` number, since 2 + 29 + 1 + 42 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (229142593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66873 + ... + 70215.

Almost surely, 2^229142592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229142592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397507968).

229142592 is an abundant number, since it is smaller than the sum of its proper divisors (565873344).

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

229142592 is a wasteful number, since it uses less digits than its factorization.

229142592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3372 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 229142592 is about 15137.4565895331. The cubic root of 229142592 is about 611.9302752810.

The spelling of 229142592 in words is "two hundred twenty-nine million, one hundred forty-two thousand, five hundred ninety-two".