22220544330500 has 48 divisors (see below), whose sum is σ = 48532741993008. Its totient is φ = 8887654880000.

The previous prime is 22220544330433. The next prime is 22220544330577. The reversal of 22220544330500 is 503344502222.

It can be written as a sum of positive squares in 8 ways, for example, as 7371529083136 + 14849015247364 = 2715056^2 + 3853442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6541310 + ... + 9339690.

It is an arithmetic number, because the mean of its divisors is an integer number (1011098791521).

Almost surely, 2^{22220544330500} is an apocalyptic number.

22220544330500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220544330500 is an abundant number, since it is smaller than the sum of its proper divisors (26312197662508).

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

22220544330500 is a wasteful number, since it uses less digits than its factorization.

22220544330500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814281 (or 2814269 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 22220544330500 its reverse (503344502222), we get a palindrome (22723888832722).

The spelling of 22220544330500 in words is "twenty-two trillion, two hundred twenty billion, five hundred forty-four million, three hundred thirty thousand, five hundred".