2265678 has 16 divisors (see below), whose sum is σ = 5034960. Its totient is φ = 755208.

The previous prime is 2265677. The next prime is 2265721. The reversal of 2265678 is 8765622.

It is a super-3 number, since 3×2265678³ = 34891192879543337256, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹² + 2²¹ + 6² + 5² + 6⁶ + 7⁶ + 8² .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20925 + ... + 21032.

It is an arithmetic number, because the mean of its divisors is an integer number (314685).

2^2265678 is an apocalyptic number.

2265678 is an abundant number, since it is smaller than the sum of its proper divisors (2769282).

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

2265678 is a wasteful number, since it uses less digits than its factorization.

2265678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41968 (or 41962 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2265678 is about 1505.2169278878. The cubic root of 2265678 is about 131.3407209520.

The spelling of 2265678 in words is "two million, two hundred sixty-five thousand, six hundred seventy-eight".