5223222251 has 4 divisors (see below), whose sum is σ = 5625008592. Its totient is φ = 4821435912.

The previous prime is 5223222229. The next prime is 5223222259. The reversal of 5223222251 is 1522223225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5223222251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5223222251.

It is not an unprimeable number, because it can be changed into a prime (5223222259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200893151 + ... + 200893176.

It is an arithmetic number, because the mean of its divisors is an integer number (1406252148).

Almost surely, 2^5223222251 is an apocalyptic number.

5223222251 is a deficient number, since it is larger than the sum of its proper divisors (401786341).

5223222251 is a wasteful number, since it uses less digits than its factorization.

5223222251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401786340.

The product of its digits is 4800, while the sum is 26.

The square root of 5223222251 is about 72271.8634808872. The cubic root of 5223222251 is about 1735.0533582684.

Adding to 5223222251 its reverse (1522223225), we get a palindrome (6745445476).

The spelling of 5223222251 in words is "five billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred fifty-one".