52218262 has 4 divisors (see below), whose sum is σ = 78327396. Its totient is φ = 26109130.

The previous prime is 52218253. The next prime is 52218263. The reversal of 52218262 is 26281225.

52218262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52218262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52218263) 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 as a sum of consecutive naturals, namely, 13054564 + ... + 13054567.

It is an arithmetic number, because the mean of its divisors is an integer number (19581849).

Almost surely, 2^52218262 is an apocalyptic number.

52218262 is a deficient number, since it is larger than the sum of its proper divisors (26109134).

52218262 is a wasteful number, since it uses less digits than its factorization.

52218262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26109133.

The product of its digits is 3840, while the sum is 28.

The square root of 52218262 is about 7226.2204505537. The cubic root of 52218262 is about 373.7726081111.

Adding to 52218262 its reverse (26281225), we get a palindrome (78499487).

The spelling of 52218262 in words is "fifty-two million, two hundred eighteen thousand, two hundred sixty-two".