2236742 has 4 divisors (see below), whose sum is σ = 3355116. Its totient is φ = 1118370.

The previous prime is 2236733. The next prime is 2236747. The reversal of 2236742 is 2476322.

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

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 3³ + 6² + 7 + 4⁴ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559184 + ... + 559187.

It is an arithmetic number, because the mean of its divisors is an integer number (838779).

2^2236742 is an apocalyptic number.

2236742 is a deficient number, since it is larger than the sum of its proper divisors (1118374).

2236742 is a wasteful number, since it uses less digits than its factorization.

2236742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118373.

The product of its digits is 4032, while the sum is 26.

The square root of 2236742 is about 1495.5741372463. The cubic root of 2236742 is about 130.7791863062.

The spelling of 2236742 in words is "two million, two hundred thirty-six thousand, seven hundred forty-two".