52442522 has 8 divisors (see below), whose sum is σ = 85815072. Its totient is φ = 23837500.

The previous prime is 52442521. The next prime is 52442549. The reversal of 52442522 is 22524425.

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

It is a super-2 number, since 2×52442522² = 5500436227440968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52442491 and 52442500.

It is not an unprimeable number, because it can be changed into a prime (52442521) 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 3 ways as a sum of consecutive naturals, for example, 1191854 + ... + 1191897.

It is an arithmetic number, because the mean of its divisors is an integer number (10726884).

Almost surely, 2^52442522 is an apocalyptic number.

52442522 is a deficient number, since it is larger than the sum of its proper divisors (33372550).

52442522 is a wasteful number, since it uses less digits than its factorization.

52442522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383764.

The product of its digits is 6400, while the sum is 26.

The square root of 52442522 is about 7241.7209280668. The cubic root of 52442522 is about 374.3069201262.

Adding to 52442522 its reverse (22524425), we get a palindrome (74966947).

The spelling of 52442522 in words is "fifty-two million, four hundred forty-two thousand, five hundred twenty-two".