2133242 has 4 divisors (see below), whose sum is σ = 3199866. Its totient is φ = 1066620.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133242 is 2423312.

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

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 259081 = 1369^2 + 509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2133242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533309 + ... + 533312.

2^2133242 is an apocalyptic number.

2133242 is a deficient number, since it is larger than the sum of its proper divisors (1066624).

2133242 is a wasteful number, since it uses less digits than its factorization.

2133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066623.

The product of its digits is 288, while the sum is 17.

The square root of 2133242 is about 1460.5622205165. The cubic root of 2133242 is about 128.7300808095.

Adding to 2133242 its reverse (2423312), we get a palindrome (4556554).

The spelling of 2133242 in words is "two million, one hundred thirty-three thousand, two hundred forty-two".