229645044 has 120 divisors (see below), whose sum is σ = 641978568. Its totient is φ = 71331840.

The previous prime is 229645043. The next prime is 229645049. The reversal of 229645044 is 440546922.

229645044 is a `hidden beast` number, since 2 + 2 + 9 + 645 + 0 + 4 + 4 = 666.

229645044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 143712144 + 85932900 = 11988^2 + 9270^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229645043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 952764 + ... + 953004.

Almost surely, 2^229645044 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 229645044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320989284).

229645044 is an abundant number, since it is smaller than the sum of its proper divisors (412333524).

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

229645044 is a wasteful number, since it uses less digits than its factorization.

229645044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 229645044 is about 15154.0438167507. The cubic root of 229645044 is about 612.3772184265.

The spelling of 229645044 in words is "two hundred twenty-nine million, six hundred forty-five thousand, forty-four".