22001001020222 has 32 divisors (see below), whose sum is σ = 37828409875200. Its totient is φ = 9400915375488.

The previous prime is 22001001020177. The next prime is 22001001020237. The reversal of 22001001020222 is 22202010010022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22001001020197 and 22001001020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14888918 + ... + 16299750.

It is an arithmetic number, because the mean of its divisors is an integer number (1182137808600).

Almost surely, 2^{22001001020222} is an apocalyptic number.

22001001020222 is a deficient number, since it is larger than the sum of its proper divisors (15827408854978).

22001001020222 is a wasteful number, since it uses less digits than its factorization.

22001001020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414160.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22001001020222 its reverse (22202010010022), we get a palindrome (44203011030244).

The spelling of 22001001020222 in words is "twenty-two trillion, one billion, one million, twenty thousand, two hundred twenty-two".