2236042 has 4 divisors (see below), whose sum is σ = 3354066. Its totient is φ = 1118020.

The previous prime is 2236009. The next prime is 2236049. The reversal of 2236042 is 2406322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2406322 = 2 ⋅1203161.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 625681 = 1269^2 + 791^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2236049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559009 + ... + 559012.

2^2236042 is an apocalyptic number.

2236042 is a deficient number, since it is larger than the sum of its proper divisors (1118024).

2236042 is a wasteful number, since it uses less digits than its factorization.

2236042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118023.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2236042 is about 1495.3400950954. The cubic root of 2236042 is about 130.7655422081.

The spelling of 2236042 in words is "two million, two hundred thirty-six thousand, forty-two".