2265312 has 48 divisors (see below), whose sum is σ = 6797952. Its totient is φ = 647040.

The previous prime is 2265287. The next prime is 2265323. The reversal of 2265312 is 2135622.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (141624).

2^2265312 is an apocalyptic number.

It is an amenable number.

2265312 is an abundant number, since it is smaller than the sum of its proper divisors (4532640).

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

2265312 is a wasteful number, since it uses less digits than its factorization.

2265312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3383 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2265312 is about 1505.0953458170. The cubic root of 2265312 is about 131.3336482653. Note that the first 3 decimals are identical.

The spelling of 2265312 in words is "two million, two hundred sixty-five thousand, three hundred twelve".