2266978 has 16 divisors (see below), whose sum is σ = 3911040. Its totient is φ = 965376.

The previous prime is 2266973. The next prime is 2266981. The reversal of 2266978 is 8796622.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 6⁶ + 6⁸ + 9⁶ + 7² + 8³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2266978.

It is not an unprimeable number, because it can be changed into a prime (2266973) 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, 2283 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

2^2266978 is an apocalyptic number.

2266978 is a deficient number, since it is larger than the sum of its proper divisors (1644062).

2266978 is a wasteful number, since it uses less digits than its factorization.

2266978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its digits is 72576, while the sum is 40.

The square root of 2266978 is about 1505.6486974059. The cubic root of 2266978 is about 131.3658363614.

The spelling of 2266978 in words is "two million, two hundred sixty-six thousand, nine hundred seventy-eight".