222338827 has 4 divisors (see below), whose sum is σ = 222714360. Its totient is φ = 221963296.

The previous prime is 222338819. The next prime is 222338887. The reversal of 222338827 is 728833222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222338827 - 2³ = 222338819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222338887) 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 3 ways as a sum of consecutive naturals, for example, 186877 + ... + 188062.

It is an arithmetic number, because the mean of its divisors is an integer number (55678590).

Almost surely, 2^222338827 is an apocalyptic number.

222338827 is a deficient number, since it is larger than the sum of its proper divisors (375533).

222338827 is an equidigital number, since it uses as much as digits as its factorization.

222338827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375532.

The product of its digits is 64512, while the sum is 37.

The square root of 222338827 is about 14911.0303802252. The cubic root of 222338827 is about 605.8127882241.

The spelling of 222338827 in words is "two hundred twenty-two million, three hundred thirty-eight thousand, eight hundred twenty-seven".