32442881 has 2 divisors, whose sum is σ = 32442882. Its totient is φ = 32442880.

The previous prime is 32442871. The next prime is 32442889. The reversal of 32442881 is 18824423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21160000 + 11282881 = 4600^2 + 3359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32442881 is a prime.

It is a super-2 number, since 2×32442881² = 2105081055160322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32442889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221440 + 16221441.

It is an arithmetic number, because the mean of its divisors is an integer number (16221441).

Almost surely, 2^32442881 is an apocalyptic number.

It is an amenable number.

32442881 is a deficient number, since it is larger than the sum of its proper divisors (1).

32442881 is an equidigital number, since it uses as much as digits as its factorization.

32442881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 32.

The square root of 32442881 is about 5695.8652547264. The cubic root of 32442881 is about 318.9381503043.

The spelling of 32442881 in words is "thirty-two million, four hundred forty-two thousand, eight hundred eighty-one".