2225312244 has 24 divisors (see below), whose sum is σ = 5769328320. Its totient is φ = 741770712.

The previous prime is 2225312239. The next prime is 2225312249. The reversal of 2225312244 is 4422135222.

It is an interprime number because it is at equal distance from previous prime (2225312239) and next prime (2225312249).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225312249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10302264 + ... + 10302479.

It is an arithmetic number, because the mean of its divisors is an integer number (240388680).

Almost surely, 2^2225312244 is an apocalyptic number.

It is an amenable number.

2225312244 is an abundant number, since it is smaller than the sum of its proper divisors (3544016076).

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

2225312244 is a wasteful number, since it uses less digits than its factorization.

2225312244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604756 (or 20604748 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2225312244 is about 47173.2153239526. The cubic root of 2225312244 is about 1305.5604515688.

Adding to 2225312244 its reverse (4422135222), we get a palindrome (6647447466).

The spelling of 2225312244 in words is "two billion, two hundred twenty-five million, three hundred twelve thousand, two hundred forty-four".