229720294 has 16 divisors (see below), whose sum is σ = 353540880. Its totient is φ = 111882240.

The previous prime is 229720277. The next prime is 229720307. The reversal of 229720294 is 492027922.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61237 + ... + 64879.

It is an arithmetic number, because the mean of its divisors is an integer number (22096305).

Almost surely, 2^229720294 is an apocalyptic number.

229720294 is a deficient number, since it is larger than the sum of its proper divisors (123820586).

229720294 is a wasteful number, since it uses less digits than its factorization.

229720294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 229720294 is about 15156.5264490252. The cubic root of 229720294 is about 612.4440989660. Note that the first 3 decimals are identical.

It can be divided in two parts, 2297202 and 94, that added together give a triangular number (2297296 = T₂₁₄₃).

The spelling of 229720294 in words is "two hundred twenty-nine million, seven hundred twenty thousand, two hundred ninety-four".