22053750 has 40 divisors (see below), whose sum is σ = 55126104. Its totient is φ = 5880000.

The previous prime is 22053721. The next prime is 22053751. The reversal of 22053750 is 5735022.

It is a super-4 number, since 4×22053750⁴ (a number of 30 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22053750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053751) 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 19 ways as a sum of consecutive naturals, for example, 810 + ... + 6690.

Almost surely, 2^22053750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22053750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27563052).

22053750 is an abundant number, since it is smaller than the sum of its proper divisors (33072354).

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

22053750 is an equidigital number, since it uses as much as digits as its factorization.

22053750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 22053750 is about 4696.1420336272. The cubic root of 22053750 is about 280.4319438605.

Adding to 22053750 its reverse (5735022), we get a palindrome (27788772).

The spelling of 22053750 in words is "twenty-two million, fifty-three thousand, seven hundred fifty".