229900549281 has 16 divisors (see below), whose sum is σ = 340762437120. Its totient is φ = 136913477760.

The previous prime is 229900549279. The next prime is 229900549297. The reversal of 229900549281 is 182945009922.

It is not a de Polignac number, because 229900549281 - 2¹ = 229900549279 is a prime.

It is a super-2 number, since 2×229900549281² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229900549231) 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, 95077596 + ... + 95080013.

It is an arithmetic number, because the mean of its divisors is an integer number (21297652320).

Almost surely, 2^229900549281 is an apocalyptic number.

It is an amenable number.

229900549281 is a deficient number, since it is larger than the sum of its proper divisors (110861887839).

229900549281 is a wasteful number, since it uses less digits than its factorization.

229900549281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190157656.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 229900549281 in words is "two hundred twenty-nine billion, nine hundred million, five hundred forty-nine thousand, two hundred eighty-one".