22442004212 has 12 divisors (see below), whose sum is σ = 39274568256. Its totient is φ = 11220699000.

The previous prime is 22442004149. The next prime is 22442004217. The reversal of 22442004212 is 21240024422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442004217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213587 + ... + 300837.

It is an arithmetic number, because the mean of its divisors is an integer number (3272880688).

Almost surely, 2^22442004212 is an apocalyptic number.

It is an amenable number.

22442004212 is a deficient number, since it is larger than the sum of its proper divisors (16832564044).

22442004212 is a wasteful number, since it uses less digits than its factorization.

22442004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151558 (or 151556 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22442004212 its reverse (21240024422), we get a palindrome (43682028634).

The spelling of 22442004212 in words is "twenty-two billion, four hundred forty-two million, four thousand, two hundred twelve".