222120344 has 8 divisors (see below), whose sum is σ = 416475660. Its totient is φ = 111060168.

The previous prime is 222120341. The next prime is 222120359. The reversal of 222120344 is 443021222.

222120344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13882514 + ... + 13882529.

Almost surely, 2^222120344 is an apocalyptic number.

It is an amenable number.

222120344 is a deficient number, since it is larger than the sum of its proper divisors (194355316).

222120344 is a wasteful number, since it uses less digits than its factorization.

222120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765049 (or 27765045 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222120344 is about 14903.7023588100. The cubic root of 222120344 is about 605.6142876208.

Adding to 222120344 its reverse (443021222), we get a palindrome (665141566).

The spelling of 222120344 in words is "two hundred twenty-two million, one hundred twenty thousand, three hundred forty-four".