22442221412 has 96 divisors (see below), whose sum is σ = 45197913600. Its totient is φ = 9664704000.

The previous prime is 22442221397. The next prime is 22442221421. The reversal of 22442221412 is 21412224422.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23848862 + ... + 23849802.

It is an arithmetic number, because the mean of its divisors is an integer number (470811600).

Almost surely, 2^22442221412 is an apocalyptic number.

It is an amenable number.

22442221412 is an abundant number, since it is smaller than the sum of its proper divisors (22755692188).

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

22442221412 is a wasteful number, since it uses less digits than its factorization.

22442221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

Adding to 22442221412 its reverse (21412224422), we get a palindrome (43854445834).

The spelling of 22442221412 in words is "twenty-two billion, four hundred forty-two million, two hundred twenty-one thousand, four hundred twelve".