2213602 has 4 divisors (see below), whose sum is σ = 3320406. Its totient is φ = 1106800.

The previous prime is 2213593. The next prime is 2213609. The reversal of 2213602 is 2063122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2063122 = 2 ⋅1031561.

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 938961 = 1129^2 + 969^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2213609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553399 + ... + 553402.

2^2213602 is an apocalyptic number.

2213602 is a deficient number, since it is larger than the sum of its proper divisors (1106804).

2213602 is a wasteful number, since it uses less digits than its factorization.

2213602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106803.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2213602 is about 1487.8178651972. The cubic root of 2213602 is about 130.3266342422.

Adding to 2213602 its reverse (2063122), we get a palindrome (4276724).

The spelling of 2213602 in words is "two million, two hundred thirteen thousand, six hundred two".