222404344 has 8 divisors (see below), whose sum is σ = 417008160. Its totient is φ = 111202168.

The previous prime is 222404327. The next prime is 222404407. The reversal of 222404344 is 443404222.

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

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, 13900264 + ... + 13900279.

It is an arithmetic number, because the mean of its divisors is an integer number (52126020).

Almost surely, 2^222404344 is an apocalyptic number.

It is an amenable number.

222404344 is a deficient number, since it is larger than the sum of its proper divisors (194603816).

222404344 is a wasteful number, since it uses less digits than its factorization.

222404344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800549 (or 27800545 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 222404344 is about 14913.2271490781. The cubic root of 222404344 is about 605.8722877112.

Adding to 222404344 its reverse (443404222), we get a palindrome (665808566).

The spelling of 222404344 in words is "two hundred twenty-two million, four hundred four thousand, three hundred forty-four".