52513223222 has 4 divisors (see below), whose sum is σ = 78769834836. Its totient is φ = 26256611610.

The previous prime is 52513223221. The next prime is 52513223267. The reversal of 52513223222 is 22232231525.

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

It is a super-2 number, since 2×52513223222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513223221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128305804 + ... + 13128305807.

It is an arithmetic number, because the mean of its divisors is an integer number (19692458709).

Almost surely, 2^52513223222 is an apocalyptic number.

52513223222 is a deficient number, since it is larger than the sum of its proper divisors (26256611614).

52513223222 is a wasteful number, since it uses less digits than its factorization.

52513223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26256611613.

The product of its digits is 14400, while the sum is 29.

Adding to 52513223222 its reverse (22232231525), we get a palindrome (74745454747).

The spelling of 52513223222 in words is "fifty-two billion, five hundred thirteen million, two hundred twenty-three thousand, two hundred twenty-two".