2244421225 has 12 divisors (see below), whose sum is σ = 2785536000. Its totient is φ = 1793954000.

The previous prime is 2244421217. The next prime is 2244421229. The reversal of 2244421225 is 5221244422.

It is a happy number.

It is not a de Polignac number, because 2244421225 - 2³ = 2244421217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2244421193 and 2244421202.

It is not an unprimeable number, because it can be changed into a prime (2244421229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10225 + ... + 67774.

It is an arithmetic number, because the mean of its divisors is an integer number (232128000).

Almost surely, 2^2244421225 is an apocalyptic number.

2244421225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2244421225 is a deficient number, since it is larger than the sum of its proper divisors (541114775).

2244421225 is a wasteful number, since it uses less digits than its factorization.

2244421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79160 (or 79155 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 2244421225 is about 47375.3229540443. The cubic root of 2244421225 is about 1309.2867988161.

Adding to 2244421225 its reverse (5221244422), we get a palindrome (7465665647).

The spelling of 2244421225 in words is "two billion, two hundred forty-four million, four hundred twenty-one thousand, two hundred twenty-five".