222001121322 has 48 divisors (see below), whose sum is σ = 494147557800. Its totient is φ = 71979221376.

The previous prime is 222001121299. The next prime is 222001121333. The reversal of 222001121322 is 223121100222.

222001121322 is a `hidden beast` number, since 2 + 220 + 0 + 1 + 121 + 322 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 193389737121 + 28611384201 = 439761^2 + 169149^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222001121295 and 222001121304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2305804 + ... + 2400152.

Almost surely, 2^222001121322 is an apocalyptic number.

222001121322 is an abundant number, since it is smaller than the sum of its proper divisors (272146436478).

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

222001121322 is a wasteful number, since it uses less digits than its factorization.

222001121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97927 (or 97924 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222001121322 its reverse (223121100222), we get a palindrome (445122221544).

The spelling of 222001121322 in words is "two hundred twenty-two billion, one million, one hundred twenty-one thousand, three hundred twenty-two".