22050444 has 72 divisors (see below), whose sum is σ = 56814912. Its totient is φ = 6651840.

The previous prime is 22050433. The next prime is 22050467. The reversal of 22050444 is 44405022.

22050444 = T₄₂₄ + T₄₂₅ + ... + T₅₉₂.

It is a self number, because there is not a number n which added to its sum of digits gives 22050444.

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 23 ways as a sum of consecutive naturals, for example, 168259 + ... + 168389.

It is an arithmetic number, because the mean of its divisors is an integer number (789096).

Almost surely, 2^22050444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22050444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28407456).

22050444 is an abundant number, since it is smaller than the sum of its proper divisors (34764468).

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

22050444 is a wasteful number, since it uses less digits than its factorization.

22050444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 22050444 is about 4695.7900293774. The cubic root of 22050444 is about 280.4179303052.

Adding to 22050444 its reverse (44405022), we get a palindrome (66455466).

The spelling of 22050444 in words is "twenty-two million, fifty thousand, four hundred forty-four".