22234223220 has 48 divisors (see below), whose sum is σ = 67915447488. Its totient is φ = 5390114560.

The previous prime is 22234223203. The next prime is 22234223227. The reversal of 22234223220 is 2232243222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234223227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16843449 + ... + 16844768.

It is an arithmetic number, because the mean of its divisors is an integer number (1414905156).

Almost surely, 2^22234223220 is an apocalyptic number.

22234223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22234223220 is an abundant number, since it is smaller than the sum of its proper divisors (45681224268).

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

22234223220 is a wasteful number, since it uses less digits than its factorization.

22234223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33688240 (or 33688238 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22234223220 its reverse (2232243222), we get a palindrome (24466466442).

The spelling of 22234223220 in words is "twenty-two billion, two hundred thirty-four million, two hundred twenty-three thousand, two hundred twenty".