2273373224225 has 6 divisors (see below), whose sum is σ = 2818982798070. Its totient is φ = 1818698579360.

The previous prime is 2273373224191. The next prime is 2273373224237. The reversal of 2273373224225 is 5224223733722.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1456109281 + 2271917114944 = 38159^2 + 1507288^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2273373224225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45467464460 + ... + 45467464509.

It is an arithmetic number, because the mean of its divisors is an integer number (469830466345).

Almost surely, 2^{2273373224225} is an apocalyptic number.

2273373224225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2273373224225 is a deficient number, since it is larger than the sum of its proper divisors (545609573845).

2273373224225 is an equidigital number, since it uses as much as digits as its factorization.

2273373224225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90934928979 (or 90934928974 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 44.

Adding to 2273373224225 its reverse (5224223733722), we get a palindrome (7497596957947).

The spelling of 2273373224225 in words is "two trillion, two hundred seventy-three billion, three hundred seventy-three million, two hundred twenty-four thousand, two hundred twenty-five".