2312205 has 48 divisors (see below), whose sum is σ = 4535424. Its totient is φ = 984960.

The previous prime is 2312203. The next prime is 2312209. The reversal of 2312205 is 5022132.

It is not a de Polignac number, because 2312205 - 2¹ = 2312203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37875 + ... + 37935.

It is an arithmetic number, because the mean of its divisors is an integer number (94488).

2^2312205 is an apocalyptic number.

It is an amenable number.

2312205 is a deficient number, since it is larger than the sum of its proper divisors (2223219).

2312205 is a wasteful number, since it uses less digits than its factorization.

2312205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2312205 is about 1520.5936340785. The cubic root of 2312205 is about 132.2336884291.

Adding to 2312205 its product of nonzero digits (120), we get a triangular number (2312325 = T₂₁₅₀).

Adding to 2312205 its reverse (5022132), we get a palindrome (7334337).

The spelling of 2312205 in words is "two million, three hundred twelve thousand, two hundred five".