32223145 has 16 divisors (see below), whose sum is σ = 41400000. Its totient is φ = 24003648.

The previous prime is 32223101. The next prime is 32223199. The reversal of 32223145 is 54132223.

It is a cyclic number.

It is not a de Polignac number, because 32223145 - 2¹¹ = 32221097 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (2587500).

Almost surely, 2^32223145 is an apocalyptic number.

It is an amenable number.

32223145 is a deficient number, since it is larger than the sum of its proper divisors (9176855).

32223145 is a wasteful number, since it uses less digits than its factorization.

32223145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its digits is 1440, while the sum is 22.

The square root of 32223145 is about 5676.5434024589. The cubic root of 32223145 is about 318.2164612744.

Adding to 32223145 its reverse (54132223), we get a palindrome (86355368).

The spelling of 32223145 in words is "thirty-two million, two hundred twenty-three thousand, one hundred forty-five".