6225221131 has 4 divisors (see below), whose sum is σ = 6225409600. Its totient is φ = 6225032664.

The previous prime is 6225221129. The next prime is 6225221201. The reversal of 6225221131 is 1311225226.

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

It is a cyclic number.

It is not a de Polignac number, because 6225221131 - 2¹ = 6225221129 is a prime.

It is a super-2 number, since 2×6225221131² = 77506756259697838322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6225221096 and 6225221105.

It is not an unprimeable number, because it can be changed into a prime (6225221231) 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, 30171 + ... + 115588.

It is an arithmetic number, because the mean of its divisors is an integer number (1556352400).

Almost surely, 2^6225221131 is an apocalyptic number.

6225221131 is a deficient number, since it is larger than the sum of its proper divisors (188469).

6225221131 is a wasteful number, since it uses less digits than its factorization.

6225221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188468.

The product of its digits is 1440, while the sum is 25.

The square root of 6225221131 is about 78900.0705386250. The cubic root of 6225221131 is about 1839.5782282918.

Adding to 6225221131 its reverse (1311225226), we get a palindrome (7536446357).

The spelling of 6225221131 in words is "six billion, two hundred twenty-five million, two hundred twenty-one thousand, one hundred thirty-one".