52220218702 has 4 divisors (see below), whose sum is σ = 78330328056. Its totient is φ = 26110109350.

The previous prime is 52220218691. The next prime is 52220218751. The reversal of 52220218702 is 20781202225.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055054674 + ... + 13055054677.

It is an arithmetic number, because the mean of its divisors is an integer number (19582582014).

Almost surely, 2^52220218702 is an apocalyptic number.

52220218702 is a deficient number, since it is larger than the sum of its proper divisors (26110109354).

52220218702 is a wasteful number, since it uses less digits than its factorization.

52220218702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110109353.

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 52220218702 in words is "fifty-two billion, two hundred twenty million, two hundred eighteen thousand, seven hundred two".