52221702 has 32 divisors (see below), whose sum is σ = 112930272. Its totient is φ = 16003584.

The previous prime is 52221679. The next prime is 52221703. The reversal of 52221702 is 20712225.

It is a happy number.

52221702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221703) 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 15 ways as a sum of consecutive naturals, for example, 20398 + ... + 22814.

It is an arithmetic number, because the mean of its divisors is an integer number (3529071).

Almost surely, 2^52221702 is an apocalyptic number.

52221702 is an abundant number, since it is smaller than the sum of its proper divisors (60708570).

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

52221702 is a wasteful number, since it uses less digits than its factorization.

52221702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52221702 is about 7226.4584687107. The cubic root of 52221702 is about 373.7808156454.

Adding to 52221702 its reverse (20712225), we get a palindrome (72933927).

The spelling of 52221702 in words is "fifty-two million, two hundred twenty-one thousand, seven hundred two".