6947222500 has 45 divisors (see below), whose sum is σ = 15201305119. Its totient is φ = 2777222000.

The previous prime is 6947222489. The next prime is 6947222507. The reversal of 6947222500 is 52227496.

It is a happy number.

The square root of 6947222500 is 83350.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 544662244 + 6402560256 = 23338^2 + 80016^2 .

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 6947222500.

It is not an unprimeable number, because it can be changed into a prime (6947222507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4166667 + ... + 4168333.

Almost surely, 2^6947222500 is an apocalyptic number.

6947222500 is the 83350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6947222500

6947222500 is an abundant number, since it is smaller than the sum of its proper divisors (8254082619).

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

6947222500 is an frugal number, since it uses more digits than its factorization.

6947222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The cubic root of 6947222500 is about 1908.1114433864. Note that the first 3 decimals are identical.

Adding to 6947222500 its reverse (52227496), we get a palindrome (6999449996).

The spelling of 6947222500 in words is "six billion, nine hundred forty-seven million, two hundred twenty-two thousand, five hundred".