52257222 has 12 divisors (see below), whose sum is σ = 113224020. Its totient is φ = 17419068.

The previous prime is 52257221. The next prime is 52257223. The reversal of 52257222 is 22275225.

52257222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52257221) and next prime (52257223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52257221) 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 5 ways as a sum of consecutive naturals, for example, 1451572 + ... + 1451607.

It is an arithmetic number, because the mean of its divisors is an integer number (9435335).

Almost surely, 2^52257222 is an apocalyptic number.

52257222 is an abundant number, since it is smaller than the sum of its proper divisors (60966798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52257222 is a wasteful number, since it uses less digits than its factorization.

52257222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903187 (or 2903184 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 52257222 is about 7228.9156863253. The cubic root of 52257222 is about 373.8655421418.

The spelling of 52257222 in words is "fifty-two million, two hundred fifty-seven thousand, two hundred twenty-two".