22042442200 has 48 divisors (see below), whose sum is σ = 51263102880. Its totient is φ = 8814495360.

The previous prime is 22042442167. The next prime is 22042442209. The reversal of 22042442200 is 224424022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042442209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805137 + ... + 832063.

It is an arithmetic number, because the mean of its divisors is an integer number (1067981310).

Almost surely, 2^22042442200 is an apocalyptic number.

22042442200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042442200 is an abundant number, since it is smaller than the sum of its proper divisors (29220660680).

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

22042442200 is a wasteful number, since it uses less digits than its factorization.

22042442200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31036 (or 31027 counting only the distinct ones).

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

Adding to 22042442200 its reverse (224424022), we get a palindrome (22266866222).

The spelling of 22042442200 in words is "twenty-two billion, forty-two million, four hundred forty-two thousand, two hundred".