22202220012210 has 192 divisors, whose sum is σ = 67765931430912. Its totient is φ = 4936865200128.

The previous prime is 22202220012169. The next prime is 22202220012251. The reversal of 22202220012210 is 1221002220222.

22202220012210 is a `hidden beast` number, since 2 + 220 + 2 + 220 + 0 + 1 + 221 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22202220012169) and next prime (22202220012251).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 156175882 + ... + 156317978.

It is an arithmetic number, because the mean of its divisors is an integer number (352947559536).

Almost surely, 2^{22202220012210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202220012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33882965715456).

22202220012210 is an abundant number, since it is smaller than the sum of its proper divisors (45563711418702).

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

22202220012210 is a wasteful number, since it uses less digits than its factorization.

22202220012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148857 (or 148854 counting only the distinct ones).

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

Adding to 22202220012210 its reverse (1221002220222), we get a palindrome (23423222232432).

It can be divided in two parts, 22202220012 and 210, that added together give a palindrome (22202220222).

The spelling of 22202220012210 in words is "twenty-two trillion, two hundred two billion, two hundred twenty million, twelve thousand, two hundred ten".