222145327304 has 8 divisors (see below), whose sum is σ = 416522488710. Its totient is φ = 111072663648.

The previous prime is 222145327291. The next prime is 222145327307. The reversal of 222145327304 is 403723541222.

It can be written as a sum of positive squares in only one way, i.e., 222121804804 + 23522500 = 471298^2 + 4850^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222145327307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13884082949 + ... + 13884082964.

Almost surely, 2^222145327304 is an apocalyptic number.

It is an amenable number.

222145327304 is a deficient number, since it is larger than the sum of its proper divisors (194377161406).

222145327304 is a wasteful number, since it uses less digits than its factorization.

222145327304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27768165919 (or 27768165915 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 222145327304 its reverse (403723541222), we get a palindrome (625868868526).

The spelling of 222145327304 in words is "two hundred twenty-two billion, one hundred forty-five million, three hundred twenty-seven thousand, three hundred four".