22234240220 has 24 divisors (see below), whose sum is σ = 46744820304. Its totient is φ = 8883616896.

The previous prime is 22234240219. The next prime is 22234240229. The reversal of 22234240220 is 2204243222.

It is a super-2 number, since 2×22234240220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234240229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611849 + ... + 647168.

It is an arithmetic number, because the mean of its divisors is an integer number (1947700846).

Almost surely, 2^22234240220 is an apocalyptic number.

22234240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22234240220 is an abundant number, since it is smaller than the sum of its proper divisors (24510580084).

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

22234240220 is a wasteful number, since it uses less digits than its factorization.

22234240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259909 (or 1259907 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22234240220 its reverse (2204243222), we get a palindrome (24438483442).

The spelling of 22234240220 in words is "twenty-two billion, two hundred thirty-four million, two hundred forty thousand, two hundred twenty".