52221310 has 32 divisors (see below), whose sum is σ = 99532800. Its totient is φ = 19671840.

The previous prime is 52221289. The next prime is 52221317. The reversal of 52221310 is 1312225.

It is a super-2 number, since 2×52221310² = 5454130436232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35571 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (3110400).

Almost surely, 2^52221310 is an apocalyptic number.

52221310 is a deficient number, since it is larger than the sum of its proper divisors (47311490).

52221310 is a wasteful number, since it uses less digits than its factorization.

52221310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52221310 is about 7226.4313461072. The cubic root of 52221310 is about 373.7798803864.

Adding to 52221310 its reverse (1312225), we get a palindrome (53533535).

The spelling of 52221310 in words is "fifty-two million, two hundred twenty-one thousand, three hundred ten".