2369221 has 4 divisors (see below), whose sum is σ = 2433292. Its totient is φ = 2305152.

The previous prime is 2369219. The next prime is 2369231. The reversal of 2369221 is 1229632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 152100 = 1489^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2369221 - 2¹ = 2369219 is a prime.

It is a super-2 number, since 2×2369221² = 11226416293682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2369201) 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, 31980 + ... + 32053.

It is an arithmetic number, because the mean of its divisors is an integer number (608323).

2^2369221 is an apocalyptic number.

It is an amenable number.

2369221 is a deficient number, since it is larger than the sum of its proper divisors (64071).

2369221 is an equidigital number, since it uses as much as digits as its factorization.

2369221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64070.

The product of its digits is 1296, while the sum is 25.

The square root of 2369221 is about 1539.2274036022. The cubic root of 2369221 is about 133.3117791547.

The spelling of 2369221 in words is "two million, three hundred sixty-nine thousand, two hundred twenty-one".