2311227225 has 36 divisors (see below), whose sum is σ = 4146052716. Its totient is φ = 1230752640.

The previous prime is 2311227173. The next prime is 2311227251. The reversal of 2311227225 is 5227221132.

It can be written as a sum of positive squares in 6 ways, for example, as 467727129 + 1843500096 = 21627^2 + 42936^2 .

It is not a de Polignac number, because 2311227225 - 2²² = 2307032921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 144739 + ... + 159911.

It is an arithmetic number, because the mean of its divisors is an integer number (115168131).

Almost surely, 2^2311227225 is an apocalyptic number.

2311227225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311227225 is a deficient number, since it is larger than the sum of its proper divisors (1834825491).

2311227225 is a wasteful number, since it uses less digits than its factorization.

2311227225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15866 (or 15858 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2311227225 is about 48075.2246484611. The cubic root of 2311227225 is about 1322.1504633579.

Adding to 2311227225 its reverse (5227221132), we get a palindrome (7538448357).

The spelling of 2311227225 in words is "two billion, three hundred eleven million, two hundred twenty-seven thousand, two hundred twenty-five".