2213557 has 8 divisors (see below), whose sum is σ = 2352960. Its totient is φ = 2076480.

The previous prime is 2213551. The next prime is 2213591. The reversal of 2213557 is 7553122.

2213557 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213557 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2¹⁹ + 1 + 3¹³ + 5 + 5⁷ + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213551) 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, 1632 + ... + 2662.

It is an arithmetic number, because the mean of its divisors is an integer number (294120).

2^2213557 is an apocalyptic number.

It is an amenable number.

2213557 is a deficient number, since it is larger than the sum of its proper divisors (139403).

2213557 is a wasteful number, since it uses less digits than its factorization.

2213557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its digits is 2100, while the sum is 25.

The square root of 2213557 is about 1487.8027423015. The cubic root of 2213557 is about 130.3257511057.

Adding to 2213557 its reverse (7553122), we get a palindrome (9766679).

The spelling of 2213557 in words is "two million, two hundred thirteen thousand, five hundred fifty-seven".