22044240220 has 24 divisors (see below), whose sum is σ = 46551531600. Its totient is φ = 8768433792.

The previous prime is 22044240181. The next prime is 22044240227. The reversal of 22044240220 is 2204244022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22044240191 and 22044240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044240227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075225 + ... + 3082384.

It is an arithmetic number, because the mean of its divisors is an integer number (1939647150).

Almost surely, 2^22044240220 is an apocalyptic number.

22044240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044240220 is an abundant number, since it is smaller than the sum of its proper divisors (24507291380).

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

22044240220 is a wasteful number, since it uses less digits than its factorization.

22044240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157797 (or 6157795 counting only the distinct ones).

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

Adding to 22044240220 its reverse (2204244022), we get a palindrome (24248484242).

It can be divided in two parts, 2204 and 4240220, that added together give a palindrome (4242424).

The spelling of 22044240220 in words is "twenty-two billion, forty-four million, two hundred forty thousand, two hundred twenty".