5221551225 has 96 divisors (see below), whose sum is σ = 9659381760. Its totient is φ = 2467584000.

The previous prime is 5221551217. The next prime is 5221551229.

5221551225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5221551225 - 2³ = 5221551217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5221551192 and 5221551201.

It is not an unprimeable number, because it can be changed into a prime (5221551229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5681316 + ... + 5682234.

It is an arithmetic number, because the mean of its divisors is an integer number (100618560).

Almost surely, 2^5221551225 is an apocalyptic number.

5221551225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5221551225 is a deficient number, since it is larger than the sum of its proper divisors (4437830535).

5221551225 is a wasteful number, since it uses less digits than its factorization.

5221551225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1106 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 5221551225 is about 72260.3018607036. The cubic root of 5221551225 is about 1734.8683110329.

The spelling of 5221551225 in words is "five billion, two hundred twenty-one million, five hundred fifty-one thousand, two hundred twenty-five".