22244442012212 has 48 divisors (see below), whose sum is σ = 45177040081152. Its totient is φ = 9386236661760.

The previous prime is 22244442012193. The next prime is 22244442012241. The reversal of 22244442012212 is 21221024444222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6175373 + ... + 9089780.

It is an arithmetic number, because the mean of its divisors is an integer number (941188335024).

Almost surely, 2^{22244442012212} is an apocalyptic number.

It is an amenable number.

22244442012212 is an abundant number, since it is smaller than the sum of its proper divisors (22932598068940).

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

22244442012212 is a wasteful number, since it uses less digits than its factorization.

22244442012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15265968 (or 15265966 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 22244442012212 its reverse (21221024444222), we get a palindrome (43465466456434).

The spelling of 22244442012212 in words is "twenty-two trillion, two hundred forty-four billion, four hundred forty-two million, twelve thousand, two hundred twelve".