22001220220002 has 32 divisors (see below), whose sum is σ = 48616507089792. Its totient is φ = 6602241702144.

The previous prime is 22001220219983. The next prime is 22001220220043. The reversal of 22001220220002 is 20002202210022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689089773 + ... + 4689094464.

It is an arithmetic number, because the mean of its divisors is an integer number (1519265846556).

Almost surely, 2^{22001220220002} is an apocalyptic number.

22001220220002 is an abundant number, since it is smaller than the sum of its proper divisors (26615286869790).

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

22001220220002 is a wasteful number, since it uses less digits than its factorization.

22001220220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378184282.

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

Adding to 22001220220002 its reverse (20002202210022), we get a palindrome (42003422430024).

The spelling of 22001220220002 in words is "twenty-two trillion, one billion, two hundred twenty million, two hundred twenty thousand, two".