22022002210212 has 144 divisors (see below), whose sum is σ = 57220568076672. Its totient is φ = 7137343503360.

The previous prime is 22022002210183. The next prime is 22022002210217. The reversal of 22022002210212 is 21201220022022.

22022002210212 is a `hidden beast` number, since 2 + 20 + 220 + 0 + 2 + 210 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22022002210217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058383513 + ... + 1058404319.

It is an arithmetic number, because the mean of its divisors is an integer number (397365056088).

Almost surely, 2^{22022002210212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022002210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28610284038336).

22022002210212 is an abundant number, since it is smaller than the sum of its proper divisors (35198565866460).

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

22022002210212 is a wasteful number, since it uses less digits than its factorization.

22022002210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938 (or 23933 counting only the distinct ones).

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

Adding to 22022002210212 its reverse (21201220022022), we get a palindrome (43223222232234).

The spelling of 22022002210212 in words is "twenty-two trillion, twenty-two billion, two million, two hundred ten thousand, two hundred twelve".