221022022002 has 16 divisors (see below), whose sum is σ = 442140552000. Its totient is φ = 73657922672.

The previous prime is 221022021991. The next prime is 221022022003. The reversal of 221022022002 is 200220220122.

It is a super-3 number, since 3×221022022002³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (221022022003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991377 + ... + 4046372.

It is an arithmetic number, because the mean of its divisors is an integer number (27633784500).

Almost surely, 2^221022022002 is an apocalyptic number.

221022022002 is an abundant number, since it is smaller than the sum of its proper divisors (221118529998).

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

221022022002 is a wasteful number, since it uses less digits than its factorization.

221022022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042337.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221022022002 its reverse (200220220122), we get a palindrome (421242242124).

The spelling of 221022022002 in words is "two hundred twenty-one billion, twenty-two million, twenty-two thousand, two".