222316404 has 12 divisors (see below), whose sum is σ = 518738304. Its totient is φ = 74105464.

The previous prime is 222316403. The next prime is 222316411. The reversal of 222316404 is 404613222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222316403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263172 + ... + 9263195.

It is an arithmetic number, because the mean of its divisors is an integer number (43228192).

Almost surely, 2^222316404 is an apocalyptic number.

It is an amenable number.

222316404 is an abundant number, since it is smaller than the sum of its proper divisors (296421900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222316404 is a wasteful number, since it uses less digits than its factorization.

222316404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526374 (or 18526372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 222316404 is about 14910.2784682245. The cubic root of 222316404 is about 605.7924220155.

Adding to 222316404 its reverse (404613222), we get a palindrome (626929626).

The spelling of 222316404 in words is "two hundred twenty-two million, three hundred sixteen thousand, four hundred four".