222021222002 has 8 divisors (see below), whose sum is σ = 333571594716. Its totient is φ = 110830690432.

The previous prime is 222021221953. The next prime is 222021222043. The reversal of 222021222002 is 200222120222.

It can be written as a sum of positive squares in 2 ways, for example, as 195046772881 + 26974449121 = 441641^2 + 164239^2 .

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

It is a super-2 number, since 2×222021222002² (a number of 23 digits) contains 22 as substring.

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, 89958743 + ... + 89961210.

Almost surely, 2^222021222002 is an apocalyptic number.

222021222002 is a deficient number, since it is larger than the sum of its proper divisors (111550372714).

222021222002 is a wasteful number, since it uses less digits than its factorization.

222021222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179920572.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222021222002 its reverse (200222120222), we get a palindrome (422243342224).

The spelling of 222021222002 in words is "two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two".