220122221002 has 8 divisors (see below), whose sum is σ = 330185643012. Its totient is φ = 110060340000.

The previous prime is 220122220987. The next prime is 220122221023. The reversal of 220122221002 is 200122221022.

It can be written as a sum of positive squares in 2 ways, for example, as 176357162601 + 43765058401 = 419949^2 + 209201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88252 + ... + 669352.

Almost surely, 2^220122221002 is an apocalyptic number.

220122221002 is a deficient number, since it is larger than the sum of its proper divisors (110063422010).

220122221002 is a wasteful number, since it uses less digits than its factorization.

220122221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770504.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220122221002 its reverse (200122221022), we get a palindrome (420244442024).

The spelling of 220122221002 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, two".