229857843644 has 48 divisors (see below), whose sum is σ = 472778643456. Its totient is φ = 96402264000.

The previous prime is 229857843643. The next prime is 229857843697. The reversal of 229857843644 is 446348758922.

It is a super-3 number, since 3×229857843644³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229857843643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259309 + ... + 1430235.

It is an arithmetic number, because the mean of its divisors is an integer number (9849555072).

Almost surely, 2^229857843644 is an apocalyptic number.

It is an amenable number.

229857843644 is an abundant number, since it is smaller than the sum of its proper divisors (242920799812).

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

229857843644 is a wasteful number, since it uses less digits than its factorization.

229857843644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173306 (or 173304 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 62.

The spelling of 229857843644 in words is "two hundred twenty-nine billion, eight hundred fifty-seven million, eight hundred forty-three thousand, six hundred forty-four".