22223232220 has 48 divisors (see below), whose sum is σ = 53367830208. Its totient is φ = 7614812160.

The previous prime is 22223232149. The next prime is 22223232221. The reversal of 22223232220 is 2223232222.

It is a super-2 number, since 2×22223232220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22223232191 and 22223232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223232221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190140 + ... + 283900.

It is an arithmetic number, because the mean of its divisors is an integer number (1111829796).

Almost surely, 2^22223232220 is an apocalyptic number.

22223232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223232220 is an abundant number, since it is smaller than the sum of its proper divisors (31144597988).

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

22223232220 is a wasteful number, since it uses less digits than its factorization.

22223232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95470 (or 95468 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22223232220 its reverse (2223232222), we get a palindrome (24446464442).

It can be divided in two parts, 222232 and 32220, that added together give a palindrome (254452).

The spelling of 22223232220 in words is "twenty-two billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty".