222122001221002 has 8 divisors (see below), whose sum is σ = 333183501137700. Its totient is φ = 111060834175104.

The previous prime is 222122001220979. The next prime is 222122001221023. The reversal of 222122001221002 is 200122100221222.

It can be written as a sum of positive squares in 2 ways, for example, as 222000493901761 + 121507319241 = 14899681^2 + 348579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81542727 + ... + 84222682.

Almost surely, 2^{222122001221002} is an apocalyptic number.

222122001221002 is a deficient number, since it is larger than the sum of its proper divisors (111061499916698).

222122001221002 is a wasteful number, since it uses less digits than its factorization.

222122001221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166435400.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222122001221002 its reverse (200122100221222), we get a palindrome (422244101442224).

The spelling of 222122001221002 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one million, two hundred twenty-one thousand, two".