22220120222022 has 16 divisors (see below), whose sum is σ = 44552180601072. Its totient is φ = 7388050047840.

The previous prime is 22220120221991. The next prime is 22220120222029. The reversal of 22220120222022 is 22022202102222.

It is a super-2 number, since 2×22220120222022² (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 22220120222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220120222029) 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, 4664170629 + ... + 4664175392.

It is an arithmetic number, because the mean of its divisors is an integer number (2784511287567).

Almost surely, 2^{22220120222022} is an apocalyptic number.

22220120222022 is an abundant number, since it is smaller than the sum of its proper divisors (22332060379050).

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

22220120222022 is a wasteful number, since it uses less digits than its factorization.

22220120222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328346423.

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

Adding to 22220120222022 its reverse (22022202102222), we get a palindrome (44242322324244).

The spelling of 22220120222022 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty-two thousand, twenty-two".