222284438 has 8 divisors (see below), whose sum is σ = 339717888. Its totient is φ = 109045144.

The previous prime is 222284437. The next prime is 222284459. The reversal of 222284438 is 834482222.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222284398 and 222284407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222284437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048406 + ... + 1048617.

It is an arithmetic number, because the mean of its divisors is an integer number (42464736).

Almost surely, 2^222284438 is an apocalyptic number.

222284438 is a deficient number, since it is larger than the sum of its proper divisors (117433450).

222284438 is a wasteful number, since it uses less digits than its factorization.

222284438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097078.

The product of its digits is 49152, while the sum is 35.

The square root of 222284438 is about 14909.2064845853. The cubic root of 222284438 is about 605.7633857884.

The spelling of 222284438 in words is "two hundred twenty-two million, two hundred eighty-four thousand, four hundred thirty-eight".