38803090225 has 9 divisors (see below), whose sum is σ = 48117053217. Its totient is φ = 31041684240.

The previous prime is 38803090199. The next prime is 38803090231. The reversal of 38803090225 is 52209030883.

The square root of 38803090225 is 196985.

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 330621489 + 38472468736 = 18183^2 + 196144^2 .

It is not a de Polignac number, because 38803090225 - 2¹⁹ = 38802565937 is a prime.

It is a super-2 number, since 2×38803090225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 965227 + ... + 1004623.

Almost surely, 2^38803090225 is an apocalyptic number.

38803090225 is the 196985-th square number.

38803090225 is the 98493-rd centered octagonal number.

It is an amenable number.

38803090225 is a deficient number, since it is larger than the sum of its proper divisors (9313962992).

38803090225 is an frugal number, since it uses more digits than its factorization.

38803090225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78804 (or 39402 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 38803090225 in words is "thirty-eight billion, eight hundred three million, ninety thousand, two hundred twenty-five".