2223966 has 8 divisors (see below), whose sum is σ = 4447944. Its totient is φ = 741320.

The previous prime is 2223943. The next prime is 2223967. The reversal of 2223966 is 6693222.

It is a sphenic number, since it is the product of 3 distinct primes.

2223966 is an admirable number.

It is a d-powerful number, because it can be written as 2² + 2¹⁰ + 2¹² + 3¹² + 9 + 6⁵ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185325 + ... + 185336.

It is an arithmetic number, because the mean of its divisors is an integer number (555993).

2^2223966 is an apocalyptic number.

2223966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2223966 is a wasteful number, since it uses less digits than its factorization.

2223966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370666.

The product of its digits is 7776, while the sum is 30.

The square root of 2223966 is about 1491.2967511532. The cubic root of 2223966 is about 130.5297124107.

The spelling of 2223966 in words is "two million, two hundred twenty-three thousand, nine hundred sixty-six".