32442213 has 32 divisors (see below), whose sum is σ = 48291840. Its totient is φ = 19293120.

The previous prime is 32442209. The next prime is 32442227. The reversal of 32442213 is 31224423.

It is not a de Polignac number, because 32442213 - 2² = 32442209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32442213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61770 + ... + 62292.

It is an arithmetic number, because the mean of its divisors is an integer number (1509120).

Almost surely, 2^32442213 is an apocalyptic number.

It is an amenable number.

32442213 is a deficient number, since it is larger than the sum of its proper divisors (15849627).

32442213 is a wasteful number, since it uses less digits than its factorization.

32442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 1152, while the sum is 21.

The square root of 32442213 is about 5695.8066153970. The cubic root of 32442213 is about 318.9359613069.

Adding to 32442213 its reverse (31224423), we get a palindrome (63666636).

The spelling of 32442213 in words is "thirty-two million, four hundred forty-two thousand, two hundred thirteen".