22144050 has 96 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 5762880.

The previous prime is 22144049. The next prime is 22144079. The reversal of 22144050 is 5044122.

22144050 is a `hidden beast` number, since 221 + 440 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 63276 + ... + 63624.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 2^22144050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22144050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31248000).

22144050 is an abundant number, since it is smaller than the sum of its proper divisors (40351950).

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

22144050 is a wasteful number, since it uses less digits than its factorization.

22144050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22144050 is about 4705.7464870093. The cubic root of 22144050 is about 280.8141694216.

Adding to 22144050 its reverse (5044122), we get a palindrome (27188172).

The spelling of 22144050 in words is "twenty-two million, one hundred forty-four thousand, fifty".