2225678 has 24 divisors (see below), whose sum is σ = 4184712. Its totient is φ = 879984.

The previous prime is 2225659. The next prime is 2225681. The reversal of 2225678 is 8765222.

2225678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁰ + 2²¹ + 5⁷ + 6⁶ + 7⁴ + 8² .

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (174363).

2^2225678 is an apocalyptic number.

2225678 is a deficient number, since it is larger than the sum of its proper divisors (1959034).

2225678 is a wasteful number, since it uses less digits than its factorization.

2225678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1769 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 2225678 is about 1491.8706378235. The cubic root of 2225678 is about 130.5631975675.

The spelling of 2225678 in words is "two million, two hundred twenty-five thousand, six hundred seventy-eight".