38090225 has 6 divisors (see below), whose sum is σ = 47231910. Its totient is φ = 30472160.

The previous prime is 38090207. The next prime is 38090233. The reversal of 38090225 is 52209083.

38090225 is digitally balanced in base 2, 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 3 ways, for example, as 10137856 + 27952369 = 3184^2 + 5287^2 .

It is not a de Polignac number, because 38090225 - 2⁶ = 38090161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 761780 + ... + 761829.

It is an arithmetic number, because the mean of its divisors is an integer number (7871985).

Almost surely, 2^38090225 is an apocalyptic number.

It is an amenable number.

38090225 is a deficient number, since it is larger than the sum of its proper divisors (9141685).

38090225 is a wasteful number, since it uses less digits than its factorization.

38090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523619 (or 1523614 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 38090225 is about 6171.7278779933. The cubic root of 38090225 is about 336.4634130257.

The spelling of 38090225 in words is "thirty-eight million, ninety thousand, two hundred twenty-five".