22053300 has 144 divisors (see below), whose sum is σ = 69370560. Its totient is φ = 5391360.

The previous prime is 22053299. The next prime is 22053313. The reversal of 22053300 is 335022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22053300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302064 + ... + 302136.

It is an arithmetic number, because the mean of its divisors is an integer number (481740).

Almost surely, 2^22053300 is an apocalyptic number.

22053300 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 22053300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34685280).

22053300 is an abundant number, since it is smaller than the sum of its proper divisors (47317260).

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

22053300 is a wasteful number, since it uses less digits than its factorization.

22053300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 22053300 is about 4696.0941217143. The cubic root of 22053300 is about 280.4300364716.

Adding to 22053300 its reverse (335022), we get a palindrome (22388322).

The spelling of 22053300 in words is "twenty-two million, fifty-three thousand, three hundred".