10223232220 has 12 divisors (see below), whose sum is σ = 21468787704. Its totient is φ = 4089292880.

The previous prime is 10223232197. The next prime is 10223232247. The reversal of 10223232220 is 2223232201.

It is a super-2 number, since 2×10223232220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255580786 + ... + 255580825.

It is an arithmetic number, because the mean of its divisors is an integer number (1789065642).

Almost surely, 2^10223232220 is an apocalyptic number.

10223232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223232220 is an abundant number, since it is smaller than the sum of its proper divisors (11245555484).

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

10223232220 is a wasteful number, since it uses less digits than its factorization.

10223232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511161620 (or 511161618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Subtracting from 10223232220 its sum of digits (19), we obtain a palindrome (10223232201).

Adding to 10223232220 its reverse (2223232201), we get a palindrome (12446464421).

The spelling of 10223232220 in words is "ten billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty".