22444020100 has 18 divisors (see below), whose sum is σ = 48703523834. Its totient is φ = 8977608000.

The previous prime is 22444020097. The next prime is 22444020101. The reversal of 22444020100 is 102044422.

It can be written as a sum of positive squares in 3 ways, for example, as 8773444 + 22435246656 = 2962^2 + 149784^2 .

It is not an unprimeable number, because it can be changed into a prime (22444020101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112220001 + ... + 112220200.

Almost surely, 2^22444020100 is an apocalyptic number.

22444020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444020100 is an abundant number, since it is smaller than the sum of its proper divisors (26259503734).

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

22444020100 is a wasteful number, since it uses less digits than its factorization.

22444020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224440215 (or 224440208 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22444020100 its reverse (102044422), we get a palindrome (22546064522).

The spelling of 22444020100 in words is "twenty-two billion, four hundred forty-four million, twenty thousand, one hundred".