32221442 has 8 divisors (see below), whose sum is σ = 52726032. Its totient is φ = 14646100.

The previous prime is 32221417. The next prime is 32221447. The reversal of 32221442 is 24412223.

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

It is not an unprimeable number, because it can be changed into a prime (32221447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732284 + ... + 732327.

It is an arithmetic number, because the mean of its divisors is an integer number (6590754).

Almost surely, 2^32221442 is an apocalyptic number.

32221442 is a deficient number, since it is larger than the sum of its proper divisors (20504590).

32221442 is a wasteful number, since it uses less digits than its factorization.

32221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464624.

The product of its digits is 768, while the sum is 20.

The square root of 32221442 is about 5676.3933972198. The cubic root of 32221442 is about 318.2108552399.

Adding to 32221442 its reverse (24412223), we get a palindrome (56633665).

It can be divided in two parts, 3222 and 1442, that added together give a palindrome (4664).

The spelling of 32221442 in words is "thirty-two million, two hundred twenty-one thousand, four hundred forty-two".