222143344 has 10 divisors (see below), whose sum is σ = 430402760. Its totient is φ = 111071664.

The previous prime is 222143321. The next prime is 222143351. The reversal of 222143344 is 443341222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941964 + ... + 6941995.

It is an arithmetic number, because the mean of its divisors is an integer number (43040276).

Almost surely, 2^222143344 is an apocalyptic number.

It is an amenable number.

222143344 is a deficient number, since it is larger than the sum of its proper divisors (208259416).

222143344 is a wasteful number, since it uses less digits than its factorization.

222143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13883967 (or 13883961 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 222143344 is about 14904.4739591842. The cubic root of 222143344 is about 605.6351901755.

Adding to 222143344 its reverse (443341222), we get a palindrome (665484566).

The spelling of 222143344 in words is "two hundred twenty-two million, one hundred forty-three thousand, three hundred forty-four".