2247678 has 24 divisors (see below), whose sum is σ = 4902768. Its totient is φ = 744192.

The previous prime is 2247673. The next prime is 2247691. The reversal of 2247678 is 8767422.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4² + 7² + 6² + 7⁶ + 8 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3151 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (204282).

2^2247678 is an apocalyptic number.

2247678 is an abundant number, since it is smaller than the sum of its proper divisors (2655090).

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

2247678 is a wasteful number, since it uses less digits than its factorization.

2247678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2247678 is about 1499.2258002049. The cubic root of 2247678 is about 130.9919774432.

It can be divided in two parts, 22476 and 78, that multiplied together give a triangular number (1753128 = T₁₈₇₂).

The spelling of 2247678 in words is "two million, two hundred forty-seven thousand, six hundred seventy-eight".