2221235 has 8 divisors (see below), whose sum is σ = 2703456. Its totient is φ = 1751680.

The previous prime is 2221231. The next prime is 2221249. The reversal of 2221235 is 5321222.

2221235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2221235 - 2² = 2221231 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁴ + 2¹⁵ + 1 + 2²¹ + 3¹⁰ + 5⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2774 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (337932).

2^2221235 is an apocalyptic number.

2221235 is a deficient number, since it is larger than the sum of its proper divisors (482221).

2221235 is an equidigital number, since it uses as much as digits as its factorization.

2221235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333.

The product of its digits is 240, while the sum is 17.

The square root of 2221235 is about 1490.3808238165. The cubic root of 2221235 is about 130.4762609550.

Adding to 2221235 its reverse (5321222), we get a palindrome (7542457).

It can be divided in two parts, 222 and 1235, that multiplied together give a triangular number (274170 = T₇₄₀).

The spelling of 2221235 in words is "two million, two hundred twenty-one thousand, two hundred thirty-five".