22210212022212 has 48 divisors (see below), whose sum is σ = 51918417512640. Its totient is φ = 7389892518528.

The previous prime is 22210212022211. The next prime is 22210212022331. The reversal of 22210212022212 is 21222021201222.

It is a super-2 number, since 2×22210212022212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22210212022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162271518 + ... + 162408330.

It is an arithmetic number, because the mean of its divisors is an integer number (1081633698180).

Almost surely, 2^{22210212022212} is an apocalyptic number.

It is an amenable number.

22210212022212 is an abundant number, since it is smaller than the sum of its proper divisors (29708205490428).

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

22210212022212 is a wasteful number, since it uses less digits than its factorization.

22210212022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161412 (or 161410 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22210212022212 its reverse (21222021201222), we get a palindrome (43432233223434).

The spelling of 22210212022212 in words is "twenty-two trillion, two hundred ten billion, two hundred twelve million, twenty-two thousand, two hundred twelve".