222339447 has 24 divisors (see below), whose sum is σ = 370964880. Its totient is φ = 126823680.

The previous prime is 222339419. The next prime is 222339451. The reversal of 222339447 is 744933222.

It is a happy number.

222339447 is a `hidden beast` number, since 2 + 223 + 394 + 47 = 666.

It is not a de Polignac number, because 222339447 - 2¹⁴ = 222323063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222339407) 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 23 ways as a sum of consecutive naturals, for example, 64372 + ... + 67737.

It is an arithmetic number, because the mean of its divisors is an integer number (15456870).

Almost surely, 2^222339447 is an apocalyptic number.

222339447 is a deficient number, since it is larger than the sum of its proper divisors (148625433).

222339447 is a wasteful number, since it uses less digits than its factorization.

222339447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132143 (or 132140 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 222339447 is about 14911.0511701892. The cubic root of 222339447 is about 605.8133513340.

The spelling of 222339447 in words is "two hundred twenty-two million, three hundred thirty-nine thousand, four hundred forty-seven".