52212122 has 32 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 23990400.

The previous prime is 52212073. The next prime is 52212131. The reversal of 52212122 is 22121225.

52212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52212122² = 5452211367485768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52212122.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 127454 + ... + 127862.

It is an arithmetic number, because the mean of its divisors is an integer number (2656800).

Almost surely, 2^52212122 is an apocalyptic number.

52212122 is a deficient number, since it is larger than the sum of its proper divisors (32805478).

52212122 is a wasteful number, since it uses less digits than its factorization.

52212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 160, while the sum is 17.

The square root of 52212122 is about 7225.7955963340. The cubic root of 52212122 is about 373.7579577207.

Adding to 52212122 its reverse (22121225), we get a palindrome (74333347).

The spelling of 52212122 in words is "fifty-two million, two hundred twelve thousand, one hundred twenty-two".