22223020 has 12 divisors (see below), whose sum is σ = 46668384. Its totient is φ = 8889200.

The previous prime is 22223017. The next prime is 22223021. The reversal of 22223020 is 2032222.

It is not an unprimeable number, because it can be changed into a prime (22223021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555556 + ... + 555595.

It is an arithmetic number, because the mean of its divisors is an integer number (3889032).

Almost surely, 2^22223020 is an apocalyptic number.

22223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223020 is an abundant number, since it is smaller than the sum of its proper divisors (24445364).

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

22223020 is a wasteful number, since it uses less digits than its factorization.

22223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111160 (or 1111158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22223020 is about 4714.1298242624. The cubic root of 22223020 is about 281.1475860862.

Adding to 22223020 its reverse (2032222), we get a palindrome (24255242).

The spelling of 22223020 in words is "twenty-two million, two hundred twenty-three thousand, twenty".