52211225 has 12 divisors (see below), whose sum is σ = 70627920. Its totient is φ = 37971600.

The previous prime is 52211177. The next prime is 52211251.

It is a happy number.

52211225 is nontrivially palindromic in base 10.

52211225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52211225 - 2⁸ = 52210969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52211197 and 52211206.

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 11 ways as a sum of consecutive naturals, for example, 94655 + ... + 95204.

It is an arithmetic number, because the mean of its divisors is an integer number (5885660).

Almost surely, 2^52211225 is an apocalyptic number.

52211225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52211225 is a deficient number, since it is larger than the sum of its proper divisors (18416695).

52211225 is a wasteful number, since it uses less digits than its factorization.

52211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189880 (or 189875 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 52211225 is about 7225.7335267777. The cubic root of 52211225 is about 373.7558173313.

It can be divided in two parts, 5221 and 1225, that added together give a palindrome (6446).

The spelling of 52211225 in words is "fifty-two million, two hundred eleven thousand, two hundred twenty-five".