22220222122002 has 32 divisors (see below), whose sum is σ = 45993680841024. Its totient is φ = 7151592729600.

The previous prime is 22220222121991. The next prime is 22220222122039. The reversal of 22220222122002 is 20022122202222.

It is a super-2 number, since 2×22220222122002² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220222122002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465574624 + ... + 465622347.

It is an arithmetic number, because the mean of its divisors is an integer number (1437302526282).

Almost surely, 2^{22220222122002} is an apocalyptic number.

22220222122002 is an abundant number, since it is smaller than the sum of its proper divisors (23773458719022).

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

22220222122002 is a wasteful number, since it uses less digits than its factorization.

22220222122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931197114.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22220222122002 its reverse (20022122202222), we get a palindrome (42242344324224).

The spelling of 22220222122002 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, two".