6944722225 has 27 divisors (see below), whose sum is σ = 10021616481. Its totient is φ = 4760095200.

The previous prime is 6944722217. The next prime is 6944722237. The reversal of 6944722225 is 5222274496.

It is a happy number.

The square root of 6944722225 is 83335.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4249866481 + 2694855744 = 65191^2 + 51912^2 .

It is not a de Polignac number, because 6944722225 - 2³ = 6944722217 is a prime.

It is a super-3 number, since 3×6944722225³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2915535 + ... + 2917915.

Almost surely, 2^6944722225 is an apocalyptic number.

6944722225 is the 83335-th square number.

6944722225 is the 41668-th centered octagonal number.

It is an amenable number.

6944722225 is a deficient number, since it is larger than the sum of its proper divisors (3076894256).

6944722225 is an frugal number, since it uses more digits than its factorization.

6944722225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786 (or 2393 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The cubic root of 6944722225 is about 1907.8825089317.

The spelling of 6944722225 in words is "six billion, nine hundred forty-four million, seven hundred twenty-two thousand, two hundred twenty-five".