2213151 has 4 divisors (see below), whose sum is σ = 2950872. Its totient is φ = 1475432.

The previous prime is 2213147. The next prime is 2213171. The reversal of 2213151 is 1513122.

2213151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2213151 - 2² = 2213147 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213171) 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 3 ways as a sum of consecutive naturals, for example, 368856 + ... + 368861.

It is an arithmetic number, because the mean of its divisors is an integer number (737718).

2^2213151 is an apocalyptic number.

2213151 is a deficient number, since it is larger than the sum of its proper divisors (737721).

2213151 is an equidigital number, since it uses as much as digits as its factorization.

2213151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737720.

The product of its digits is 60, while the sum is 15.

The square root of 2213151 is about 1487.6662932257. Note that the first 3 decimals coincide. The cubic root of 2213151 is about 130.3177827106.

Adding to 2213151 its reverse (1513122), we get a palindrome (3726273).

The spelling of 2213151 in words is "two million, two hundred thirteen thousand, one hundred fifty-one".