229292289 has 20 divisors (see below), whose sum is σ = 342974016. Its totient is φ = 152660376.

The previous prime is 229292269. The next prime is 229292309. The reversal of 229292289 is 982292922.

It is an interprime number because it is at equal distance from previous prime (229292269) and next prime (229292309).

It is not a de Polignac number, because 229292289 - 2⁸ = 229292033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229292249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84772 + ... + 87434.

Almost surely, 2^229292289 is an apocalyptic number.

It is an amenable number.

229292289 is a deficient number, since it is larger than the sum of its proper divisors (113681727).

229292289 is a wasteful number, since it uses less digits than its factorization.

229292289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 3729 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 229292289 is about 15142.4003711433. The cubic root of 229292289 is about 612.0635026378.

It can be divided in two parts, 2292922 and 89, that added together give a triangular number (2293011 = T₂₁₄₁).

The spelling of 229292289 in words is "two hundred twenty-nine million, two hundred ninety-two thousand, two hundred eighty-nine".