4442889025 has 9 divisors (see below), whose sum is σ = 5509595683. Its totient is φ = 3554044600.

The previous prime is 4442889019. The next prime is 4442889029. The reversal of 4442889025 is 5209882444.

The square root of 4442889025 is 66655.

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

4442889025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1599440049 + 2843448976 = 39993^2 + 53324^2 .

It is not a de Polignac number, because 4442889025 - 2¹³ = 4442880833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442889029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 326610 + ... + 339940.

Almost surely, 2^4442889025 is an apocalyptic number.

4442889025 is the 66655-th square number.

4442889025 is the 33328-th centered octagonal number.

It is an amenable number.

4442889025 is a deficient number, since it is larger than the sum of its proper divisors (1066706658).

4442889025 is an frugal number, since it uses more digits than its factorization.

4442889025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26672 (or 13336 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The cubic root of 4442889025 is about 1643.9495607972.

The spelling of 4442889025 in words is "four billion, four hundred forty-two million, eight hundred eighty-nine thousand, twenty-five".