22001012220022 has 16 divisors (see below), whose sum is σ = 36005168058192. Its totient is φ = 9999484628320.

The previous prime is 22001012219983. The next prime is 22001012220023. The reversal of 22001012220022 is 22002221010022.

It is a junction number, because it is equal to n+sod(n) for n = 22001012219978 and 22001012220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001012220023) 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, 48542893 + ... + 48994024.

It is an arithmetic number, because the mean of its divisors is an integer number (2250323003637).

Almost surely, 2^{22001012220022} is an apocalyptic number.

22001012220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22001012220022 is a deficient number, since it is larger than the sum of its proper divisors (14004155838170).

22001012220022 is a wasteful number, since it uses less digits than its factorization.

22001012220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97547183.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22001012220022 its reverse (22002221010022), we get a palindrome (44003233230044).

The spelling of 22001012220022 in words is "twenty-two trillion, one billion, twelve million, two hundred twenty thousand, twenty-two".