2253442 has 8 divisors (see below), whose sum is σ = 3462732. Its totient is φ = 1099200.

The previous prime is 2253439. The next prime is 2253451. The reversal of 2253442 is 2443522.

2253442 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 2253001 + 441 = 1501^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 13659 + ... + 13822.

2^2253442 is an apocalyptic number.

2253442 is a deficient number, since it is larger than the sum of its proper divisors (1209290).

2253442 is a wasteful number, since it uses less digits than its factorization.

2253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27524.

The product of its digits is 1920, while the sum is 22.

The square root of 2253442 is about 1501.1468948774. The cubic root of 2253442 is about 131.1038548656.

Subtracting from 2253442 its product of digits (1920), we obtain a palindrome (2251522).

Adding to 2253442 its reverse (2443522), we get a palindrome (4696964).

The spelling of 2253442 in words is "two million, two hundred fifty-three thousand, four hundred forty-two".