221222212022002 has 8 divisors (see below), whose sum is σ = 331867376701056. Its totient is φ = 110599753121652.

The previous prime is 221222212021997. The next prime is 221222212022029. The reversal of 221222212022002 is 200220212222122.

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, 5676420318 + ... + 5676459289.

It is an arithmetic number, because the mean of its divisors is an integer number (41483422087632).

Almost surely, 2^{221222212022002} is an apocalyptic number.

221222212022002 is a deficient number, since it is larger than the sum of its proper divisors (110645164679054).

221222212022002 is a wasteful number, since it uses less digits than its factorization.

221222212022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352889352.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221222212022002 its reverse (200220212222122), we get a palindrome (421442424244124).

The spelling of 221222212022002 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two".