5155522224 has 80 divisors (see below), whose sum is σ = 13515384960. Its totient is φ = 1693232640.

The previous prime is 5155522223. The next prime is 5155522237. The reversal of 5155522224 is 4222255515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5155522223) 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, 1309539 + ... + 1313469.

It is an arithmetic number, because the mean of its divisors is an integer number (168942312).

Almost surely, 2^5155522224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155522224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6757692480).

5155522224 is an abundant number, since it is smaller than the sum of its proper divisors (8359862736).

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

5155522224 is a wasteful number, since it uses less digits than its factorization.

5155522224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4332 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 5155522224 is about 71801.9653212919. The cubic root of 5155522224 is about 1727.5245230291.

Adding to 5155522224 its reverse (4222255515), we get a palindrome (9377777739).

The spelling of 5155522224 in words is "five billion, one hundred fifty-five million, five hundred twenty-two thousand, two hundred twenty-four".