22332020 has 12 divisors (see below), whose sum is σ = 46897284. Its totient is φ = 8932800.

The previous prime is 22331993. The next prime is 22332041. The reversal of 22332020 is 2023322.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 12759184 = 3094^2 + 3572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22331986 and 22332004.

It is a congruent number.

It is an unprimeable number.

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, 558281 + ... + 558320.

It is an arithmetic number, because the mean of its divisors is an integer number (3908107).

Almost surely, 2^22332020 is an apocalyptic number.

22332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22332020 is an abundant number, since it is smaller than the sum of its proper divisors (24565264).

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

22332020 is a wasteful number, since it uses less digits than its factorization.

22332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116610 (or 1116608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22332020 is about 4725.6766711234. The cubic root of 22332020 is about 281.6064964120.

Adding to 22332020 its reverse (2023322), we get a palindrome (24355342).

The spelling of 22332020 in words is "twenty-two million, three hundred thirty-two thousand, twenty".