222838945 has 8 divisors (see below), whose sum is σ = 305607744. Its totient is φ = 152803824.

The previous prime is 222838939. The next prime is 222838969. The reversal of 222838945 is 549838222.

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

It is a cyclic number.

It is not a de Polignac number, because 222838945 - 2³ = 222838937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183379 + ... + 3183448.

It is an arithmetic number, because the mean of its divisors is an integer number (38200968).

Almost surely, 2^222838945 is an apocalyptic number.

It is an amenable number.

222838945 is a deficient number, since it is larger than the sum of its proper divisors (82768799).

222838945 is an equidigital number, since it uses as much as digits as its factorization.

222838945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366839.

The product of its digits is 276480, while the sum is 43.

The square root of 222838945 is about 14927.7910288160. The cubic root of 222838945 is about 606.2666765526.

The spelling of 222838945 in words is "two hundred twenty-two million, eight hundred thirty-eight thousand, nine hundred forty-five".