222405221322 has 48 divisors (see below), whose sum is σ = 486676095048. Its totient is φ = 73400463360.

The previous prime is 222405221317. The next prime is 222405221341. The reversal of 222405221322 is 223122504222.

It is a happy number.

222405221322 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 0 + 522 + 132 + 2 = 666.

222405221322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 221312852721 + 1092368601 = 470439^2 + 33051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602298 + ... + 898650.

Almost surely, 2^222405221322 is an apocalyptic number.

222405221322 is an abundant number, since it is smaller than the sum of its proper divisors (264270873726).

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

222405221322 is a wasteful number, since it uses less digits than its factorization.

222405221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296775 (or 296772 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 222405221322 its reverse (223122504222), we get a palindrome (445527725544).

The spelling of 222405221322 in words is "two hundred twenty-two billion, four hundred five million, two hundred twenty-one thousand, three hundred twenty-two".