2366221 has 8 divisors (see below), whose sum is σ = 2780064. Its totient is φ = 1985520.

The previous prime is 2366209. The next prime is 2366227. The reversal of 2366221 is 1226632.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2366221 - 2²¹ = 269069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2366192 and 2366201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366227) 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, 8131 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (347508).

2^2366221 is an apocalyptic number.

It is an amenable number.

2366221 is a deficient number, since it is larger than the sum of its proper divisors (413843).

2366221 is a wasteful number, since it uses less digits than its factorization.

2366221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16571.

The product of its digits is 864, while the sum is 22.

The square root of 2366221 is about 1538.2525800401. The cubic root of 2366221 is about 133.2554871976.

The spelling of 2366221 in words is "two million, three hundred sixty-six thousand, two hundred twenty-one".