32222242 has 16 divisors (see below), whose sum is σ = 55113912. Its totient is φ = 13996800.

The previous prime is 32222231. The next prime is 32222249. The reversal of 32222242 is 24222223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32137561 + 84681 = 5669^2 + 291^2 .

It is not an unprimeable number, because it can be changed into a prime (32222249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36009 + ... + 36892.

Almost surely, 2^32222242 is an apocalyptic number.

32222242 is a deficient number, since it is larger than the sum of its proper divisors (22891670).

32222242 is a wasteful number, since it uses less digits than its factorization.

32222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72933.

The product of its digits is 768, while the sum is 19.

The square root of 32222242 is about 5676.4638640619. The cubic root of 32222242 is about 318.2134887511.

Subtracting from 32222242 its sum of digits (19), we obtain a palindrome (32222223).

Adding to 32222242 its reverse (24222223), we get a palindrome (56444465).

It can be divided in two parts, 3 and 2222242, that multiplied together give a triangular number (6666726 = T₃₆₅₁).

The spelling of 32222242 in words is "thirty-two million, two hundred twenty-two thousand, two hundred forty-two".