2243423225 has 12 divisors (see below), whose sum is σ = 2819954556. Its totient is φ = 1770151680.

The previous prime is 2243423201. The next prime is 2243423249. The reversal of 2243423225 is 5223243422.

It is an interprime number because it is at equal distance from previous prime (2243423201) and next prime (2243423249).

It can be written as a sum of positive squares in 6 ways, for example, as 1590121 + 2241833104 = 1261^2 + 47348^2 .

It is not a de Polignac number, because 2243423225 - 2²⁰ = 2242374649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612812 + ... + 616461.

It is an arithmetic number, because the mean of its divisors is an integer number (234996213).

Almost surely, 2^2243423225 is an apocalyptic number.

2243423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2243423225 is a deficient number, since it is larger than the sum of its proper divisors (576531331).

2243423225 is a wasteful number, since it uses less digits than its factorization.

2243423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229356 (or 1229351 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 2243423225 is about 47364.7888731703. The cubic root of 2243423225 is about 1309.0927084003.

Adding to 2243423225 its reverse (5223243422), we get a palindrome (7466666647).

The spelling of 2243423225 in words is "two billion, two hundred forty-three million, four hundred twenty-three thousand, two hundred twenty-five".