229422309 has 8 divisors (see below), whose sum is σ = 319196352. Its totient is φ = 146298240.

The previous prime is 229422307. The next prime is 229422313. The reversal of 229422309 is 903224922.

It is a happy number.

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

It is not a de Polignac number, because 229422309 - 2¹ = 229422307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229422309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229422307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662412 + ... + 1662549.

It is an arithmetic number, because the mean of its divisors is an integer number (39899544).

Almost surely, 2^229422309 is an apocalyptic number.

It is an amenable number.

229422309 is a deficient number, since it is larger than the sum of its proper divisors (89774043).

229422309 is a wasteful number, since it uses less digits than its factorization.

229422309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324987.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 229422309 is about 15146.6930054055. The cubic root of 229422309 is about 612.1791708092.

The spelling of 229422309 in words is "two hundred twenty-nine million, four hundred twenty-two thousand, three hundred nine".