22422442000 has 160 divisors (see below), whose sum is σ = 62082169344. Its totient is φ = 7672896000.

The previous prime is 22422441997. The next prime is 22422442027. The reversal of 22422442000 is 24422422.

It is a happy number.

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, 9252789 + ... + 9255211.

Almost surely, 2^22422442000 is an apocalyptic number.

22422442000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22422442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31041084672).

22422442000 is an abundant number, since it is smaller than the sum of its proper divisors (39659727344).

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

22422442000 is a wasteful number, since it uses less digits than its factorization.

22422442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22422442000 its reverse (24422422), we get a palindrome (22446864422).

The spelling of 22422442000 in words is "twenty-two billion, four hundred twenty-two million, four hundred forty-two thousand".