22120201002222 has 24 divisors (see below), whose sum is σ = 49702180030776. Its totient is φ = 7373400333912.

The previous prime is 22120201002181. The next prime is 22120201002223. The reversal of 22120201002222 is 22220010202122.

22120201002222 is a `hidden beast` number, since 221 + 20 + 201 + 0 + 0 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22120201002195 and 22120201002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120201002223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22757407953 + ... + 22757408924.

It is an arithmetic number, because the mean of its divisors is an integer number (2070924167949).

Almost surely, 2^{22120201002222} is an apocalyptic number.

22120201002222 is an abundant number, since it is smaller than the sum of its proper divisors (27581979028554).

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

22120201002222 is an equidigital number, since it uses as much as digits as its factorization.

22120201002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45514816894 (or 45514816882 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22120201002222 its reverse (22220010202122), we get a palindrome (44340211204344).

The spelling of 22120201002222 in words is "twenty-two trillion, one hundred twenty billion, two hundred one million, two thousand, two hundred twenty-two".