229293809285 has 8 divisors (see below), whose sum is σ = 275181833976. Its totient is φ = 183415538880.

The previous prime is 229293809273. The next prime is 229293809321. The reversal of 229293809285 is 582908392922.

It can be written as a sum of positive squares in 4 ways, for example, as 6903283396 + 222390525889 = 83086^2 + 471583^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-229293809285 is a prime.

It is a super-2 number, since 2×229293809285² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386754 + ... + 2480963.

It is an arithmetic number, because the mean of its divisors is an integer number (34397729247).

Almost surely, 2^229293809285 is an apocalyptic number.

It is an amenable number.

229293809285 is a deficient number, since it is larger than the sum of its proper divisors (45888024691).

229293809285 is an equidigital number, since it uses as much as digits as its factorization.

229293809285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877143.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 229293809285 in words is "two hundred twenty-nine billion, two hundred ninety-three million, eight hundred nine thousand, two hundred eighty-five".