32242445 has 4 divisors (see below), whose sum is σ = 38690940. Its totient is φ = 25793952.

The previous prime is 32242439. The next prime is 32242451. The reversal of 32242445 is 54424223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54424223 = 7 ⋅7774889.

It is an interprime number because it is at equal distance from previous prime (32242439) and next prime (32242451).

It can be written as a sum of positive squares in 2 ways, for example, as 23872996 + 8369449 = 4886^2 + 2893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32242445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224240 + ... + 3224249.

It is an arithmetic number, because the mean of its divisors is an integer number (9672735).

Almost surely, 2^32242445 is an apocalyptic number.

It is an amenable number.

32242445 is a deficient number, since it is larger than the sum of its proper divisors (6448495).

32242445 is an equidigital number, since it uses as much as digits as its factorization.

32242445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448494.

The product of its digits is 7680, while the sum is 26.

The square root of 32242445 is about 5678.2431261791. The cubic root of 32242445 is about 318.2799803375.

Adding to 32242445 its reverse (54424223), we get a palindrome (86666668).

The spelling of 32242445 in words is "thirty-two million, two hundred forty-two thousand, four hundred forty-five".