2213542 has 4 divisors (see below), whose sum is σ = 3320316. Its totient is φ = 1106770.

The previous prime is 2213537. The next prime is 2213551. The reversal of 2213542 is 2453122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553384 + ... + 553387.

It is an arithmetic number, because the mean of its divisors is an integer number (830079).

2^2213542 is an apocalyptic number.

2213542 is a deficient number, since it is larger than the sum of its proper divisors (1106774).

2213542 is a wasteful number, since it uses less digits than its factorization.

2213542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106773.

The product of its digits is 480, while the sum is 19.

The square root of 2213542 is about 1487.7977013022. The cubic root of 2213542 is about 130.3254567242.

Adding to 2213542 its reverse (2453122), we get a palindrome (4666664).

The spelling of 2213542 in words is "two million, two hundred thirteen thousand, five hundred forty-two".