229279222 has 4 divisors (see below), whose sum is σ = 343918836. Its totient is φ = 114639610.

The previous prime is 229279201. The next prime is 229279229. The reversal of 229279222 is 222972922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222972922 = 2 ⋅111486461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229279229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57319804 + ... + 57319807.

It is an arithmetic number, because the mean of its divisors is an integer number (85979709).

Almost surely, 2^229279222 is an apocalyptic number.

229279222 is a deficient number, since it is larger than the sum of its proper divisors (114639614).

229279222 is a wasteful number, since it uses less digits than its factorization.

229279222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114639613.

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

The square root of 229279222 is about 15141.9688944338. The cubic root of 229279222 is about 612.0518755776.

The spelling of 229279222 in words is "two hundred twenty-nine million, two hundred seventy-nine thousand, two hundred twenty-two".