229492890205 has 8 divisors (see below), whose sum is σ = 276331372632. Its totient is φ = 182967709248.

The previous prime is 229492890203. The next prime is 229492890241. The reversal of 229492890205 is 502098294922.

It can be written as a sum of positive squares in 4 ways, for example, as 154384554724 + 75108335481 = 392918^2 + 274059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229492890205 - 2¹ = 229492890203 is a prime.

It is a super-4 number, since 4×229492890205⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229492890203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78323754 + ... + 78326683.

It is an arithmetic number, because the mean of its divisors is an integer number (34541421579).

Almost surely, 2^229492890205 is an apocalyptic number.

It is an amenable number.

229492890205 is a deficient number, since it is larger than the sum of its proper divisors (46838482427).

229492890205 is a wasteful number, since it uses less digits than its factorization.

229492890205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156650735.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 229492890205 in words is "two hundred twenty-nine billion, four hundred ninety-two million, eight hundred ninety thousand, two hundred five".