2225531205 has 12 divisors (see below), whose sum is σ = 3857587500. Its totient is φ = 1186949952.

The previous prime is 2225531201. The next prime is 2225531249. The reversal of 2225531205 is 5021355222.

It can be written as a sum of positive squares in 2 ways, for example, as 1758711969 + 466819236 = 41937^2 + 21606^2 .

It is not a de Polignac number, because 2225531205 - 2² = 2225531201 is a prime.

It is a super-3 number, since 3×2225531205³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225531201) 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, 24728080 + ... + 24728169.

It is an arithmetic number, because the mean of its divisors is an integer number (321465625).

Almost surely, 2^2225531205 is an apocalyptic number.

It is an amenable number.

2225531205 is a deficient number, since it is larger than the sum of its proper divisors (1632056295).

2225531205 is a wasteful number, since it uses less digits than its factorization.

2225531205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49456260 (or 49456257 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2225531205 is about 47175.5360859842. The cubic root of 2225531205 is about 1305.6032706455.

Adding to 2225531205 its reverse (5021355222), we get a palindrome (7246886427).

The spelling of 2225531205 in words is "two billion, two hundred twenty-five million, five hundred thirty-one thousand, two hundred five".