44222550 has 48 divisors (see below), whose sum is σ = 110684880. Its totient is φ = 11683840.

The previous prime is 44222531. The next prime is 44222567. The reversal of 44222550 is 5522244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44222550.

It is a congruent number.

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, 15646 + ... + 18254.

It is an arithmetic number, because the mean of its divisors is an integer number (2305935).

Almost surely, 2^44222550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44222550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55342440).

44222550 is an abundant number, since it is smaller than the sum of its proper divisors (66462330).

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

44222550 is a wasteful number, since it uses less digits than its factorization.

44222550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 44222550 is about 6650.0037593974. The cubic root of 44222550 is about 353.6290442059.

Adding to 44222550 its reverse (5522244), we get a palindrome (49744794).

The spelling of 44222550 in words is "forty-four million, two hundred twenty-two thousand, five hundred fifty".