22042212000 has 192 divisors, whose sum is σ = 72542905344. Its totient is φ = 5850854400.

The previous prime is 22042211987. The next prime is 22042212011. The reversal of 22042212000 is 21224022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2671882 + ... + 2680118.

It is an arithmetic number, because the mean of its divisors is an integer number (377827632).

Almost surely, 2^22042212000 is an apocalyptic number.

22042212000 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 22042212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36271452672).

22042212000 is an abundant number, since it is smaller than the sum of its proper divisors (50500693344).

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

22042212000 is a wasteful number, since it uses less digits than its factorization.

22042212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488 (or 8470 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22042212000 its reverse (21224022), we get a palindrome (22063436022).

The spelling of 22042212000 in words is "twenty-two billion, forty-two million, two hundred twelve thousand".