2225444550 has 96 divisors (see below), whose sum is σ = 6478132992. Its totient is φ = 494916480.

The previous prime is 2225444531. The next prime is 2225444561. The reversal of 2225444550 is 554445222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10209 + ... + 67491.

It is an arithmetic number, because the mean of its divisors is an integer number (67480552).

Almost surely, 2^2225444550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225444550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3239066496).

2225444550 is an abundant number, since it is smaller than the sum of its proper divisors (4252688442).

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

2225444550 is a wasteful number, since it uses less digits than its factorization.

2225444550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57342 (or 57337 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 2225444550 is about 47174.6176455093. The cubic root of 2225444550 is about 1305.5863251001.

Adding to 2225444550 its reverse (554445222), we get a palindrome (2779889772).

The spelling of 2225444550 in words is "two billion, two hundred twenty-five million, four hundred forty-four thousand, five hundred fifty".