22122002202212 has 48 divisors (see below), whose sum is σ = 42966332418240. Its totient is φ = 9880971686400.

The previous prime is 22122002202203. The next prime is 22122002202217. The reversal of 22122002202212 is 21220220022122.

It is not an unprimeable number, because it can be changed into a prime (22122002202217) 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, 4591328 + ... + 8082344.

It is an arithmetic number, because the mean of its divisors is an integer number (895131925380).

Almost surely, 2^{22122002202212} is an apocalyptic number.

22122002202212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22122002202212 is a deficient number, since it is larger than the sum of its proper divisors (20844330216028).

22122002202212 is a wasteful number, since it uses less digits than its factorization.

22122002202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493532 (or 3493530 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22122002202212 its reverse (21220220022122), we get a palindrome (43342222224334).

The spelling of 22122002202212 in words is "twenty-two trillion, one hundred twenty-two billion, two million, two hundred two thousand, two hundred twelve".