44222500 has 135 divisors (see below), whose sum is σ = 118726839. Its totient is φ = 14364000.

The previous prime is 44222473. The next prime is 44222509. The reversal of 44222500 is 522244.

The square root of 44222500 is 6650.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 3467044 + 40755456 = 1862^2 + 6384^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (44222509) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2327491 + ... + 2327509.

Almost surely, 2^44222500 is an apocalyptic number.

44222500 is the 6650-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44222500

44222500 is an abundant number, since it is smaller than the sum of its proper divisors (74504339).

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

44222500 is a wasteful number, since it uses less digits than its factorization.

44222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The cubic root of 44222500 is about 353.6289109296.

Adding to 44222500 its reverse (522244), we get a palindrome (44744744).

The spelling of 44222500 in words is "forty-four million, two hundred twenty-two thousand, five hundred".