222120130322 has 4 divisors (see below), whose sum is σ = 333180195486. Its totient is φ = 111060065160.

The previous prime is 222120130321. The next prime is 222120130339. The reversal of 222120130322 is 223031021222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139113334441 + 83006795881 = 372979^2 + 288109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222120130294 and 222120130303.

It is not an unprimeable number, because it can be changed into a prime (222120130321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530032579 + ... + 55530032582.

Almost surely, 2^222120130322 is an apocalyptic number.

222120130322 is a deficient number, since it is larger than the sum of its proper divisors (111060065164).

222120130322 is a wasteful number, since it uses less digits than its factorization.

222120130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111060065163.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222120130322 its reverse (223031021222), we get a palindrome (445151151544).

The spelling of 222120130322 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred thirty thousand, three hundred twenty-two".