52442222 has 16 divisors (see below), whose sum is σ = 90986112. Its totient is φ = 22203960.

The previous prime is 52442219. The next prime is 52442227. The reversal of 52442222 is 22224425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52442227) 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 in 7 ways as a sum of consecutive naturals, for example, 21404 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (5686632).

Almost surely, 2^52442222 is an apocalyptic number.

52442222 is a deficient number, since it is larger than the sum of its proper divisors (38543890).

52442222 is a wasteful number, since it uses less digits than its factorization.

52442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45223.

The product of its digits is 2560, while the sum is 23.

The square root of 52442222 is about 7241.7002147286. The cubic root of 52442222 is about 374.3062063779.

Adding to 52442222 its reverse (22224425), we get a palindrome (74666647).

The spelling of 52442222 in words is "fifty-two million, four hundred forty-two thousand, two hundred twenty-two".