229822939 has 4 divisors (see below), whose sum is σ = 230194840. Its totient is φ = 229451040.

The previous prime is 229822927. The next prime is 229822979. The reversal of 229822939 is 939228922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939228922 = 2 ⋅469614461.

It is a cyclic number.

It is not a de Polignac number, because 229822939 - 2¹⁹ = 229298651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229822909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185022 + ... + 186259.

It is an arithmetic number, because the mean of its divisors is an integer number (57548710).

Almost surely, 2^229822939 is an apocalyptic number.

229822939 is a deficient number, since it is larger than the sum of its proper divisors (371901).

229822939 is an equidigital number, since it uses as much as digits as its factorization.

229822939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371900.

The product of its digits is 279936, while the sum is 46.

The square root of 229822939 is about 15159.9122358937. The cubic root of 229822939 is about 612.5353040320.

It can be divided in two parts, 22982 and 2939, that added together give a square (25921 = 161²).

The spelling of 229822939 in words is "two hundred twenty-nine million, eight hundred twenty-two thousand, nine hundred thirty-nine".