32224145 has 8 divisors (see below), whose sum is σ = 38710656. Its totient is φ = 25751536.

The previous prime is 32224139. The next prime is 32224147. The reversal of 32224145 is 54142223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32224145 - 2⁸ = 32223889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32224145.

It is not an unprimeable number, because it can be changed into a prime (32224147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (4838832).

Almost surely, 2^32224145 is an apocalyptic number.

It is an amenable number.

32224145 is a deficient number, since it is larger than the sum of its proper divisors (6486511).

32224145 is a wasteful number, since it uses less digits than its factorization.

32224145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951.

The product of its digits is 1920, while the sum is 23.

The square root of 32224145 is about 5676.6314835473. The cubic root of 32224145 is about 318.2197530405.

Adding to 32224145 its reverse (54142223), we get a palindrome (86366368).

The spelling of 32224145 in words is "thirty-two million, two hundred twenty-four thousand, one hundred forty-five".