4944199225 has 63 divisors (see below), whose sum is σ = 7331308141. Its totient is φ = 3307617600.

The previous prime is 4944199223. The next prime is 4944199229. The reversal of 4944199225 is 5229914494.

The square root of 4944199225 is 70315.

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 2081093161 + 2863106064 = 45619^2 + 53508^2 .

It is not a de Polignac number, because 4944199225 - 2¹ = 4944199223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4944199223) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 120590205 + ... + 120590245.

Almost surely, 2^4944199225 is an apocalyptic number.

4944199225 is the 70315-th square number.

4944199225 is the 35158-th centered octagonal number.

It is an amenable number.

4944199225 is a deficient number, since it is larger than the sum of its proper divisors (2387108916).

4944199225 is an frugal number, since it uses more digits than its factorization.

4944199225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 53 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The cubic root of 4944199225 is about 1703.5909359985.

Multiplying 4944199225 by its sum of digits (49), we get a square (242265762025 = 492205²).

4944199225 divided by its sum of digits (49) gives a square (100902025 = 10045²).

The spelling of 4944199225 in words is "four billion, nine hundred forty-four million, one hundred ninety-nine thousand, two hundred twenty-five".