22353920 has 96 divisors (see below), whose sum is σ = 56019600. Its totient is φ = 8552448.

The previous prime is 22353917. The next prime is 22353923. The reversal of 22353920 is 2935322.

It is an interprime number because it is at equal distance from previous prime (22353917) and next prime (22353923).

It is a self number, because there is not a number n which added to its sum of digits gives 22353920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22353923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378851 + ... + 378909.

Almost surely, 2^22353920 is an apocalyptic number.

22353920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28009800).

22353920 is an abundant number, since it is smaller than the sum of its proper divisors (33665680).

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

22353920 is an equidigital number, since it uses as much as digits as its factorization.

22353920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 22353920 is about 4727.9932318056. The cubic root of 22353920 is about 281.6985192475.

The spelling of 22353920 in words is "twenty-two million, three hundred fifty-three thousand, nine hundred twenty".