38381522 has 4 divisors (see below), whose sum is σ = 57572286. Its totient is φ = 19190760.

The previous prime is 38381513. The next prime is 38381527. The reversal of 38381522 is 22518383.

38381522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 12666481 = 5071^2 + 3559^2 .

It is not an unprimeable number, because it can be changed into a prime (38381527) by changing a digit.

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 as a sum of consecutive naturals, namely, 9595379 + ... + 9595382.

Almost surely, 2^38381522 is an apocalyptic number.

38381522 is a deficient number, since it is larger than the sum of its proper divisors (19190764).

38381522 is a wasteful number, since it uses less digits than its factorization.

38381522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19190763.

The product of its digits is 11520, while the sum is 32.

The square root of 38381522 is about 6195.2822373157. The cubic root of 38381522 is about 337.3189430329.

The spelling of 38381522 in words is "thirty-eight million, three hundred eighty-one thousand, five hundred twenty-two".