38280522 has 64 divisors (see below), whose sum is σ = 92378880. Its totient is φ = 10343424.

The previous prime is 38280521. The next prime is 38280523. The reversal of 38280522 is 22508283.

It is an interprime number because it is at equal distance from previous prime (38280521) and next prime (38280523).

It is a self number, because there is not a number n which added to its sum of digits gives 38280522.

It is not an unprimeable number, because it can be changed into a prime (38280521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64258 + ... + 64850.

It is an arithmetic number, because the mean of its divisors is an integer number (1443420).

Almost surely, 2^38280522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38280522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46189440).

38280522 is an abundant number, since it is smaller than the sum of its proper divisors (54098358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38280522 is a wasteful number, since it uses less digits than its factorization.

38280522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 38280522 is about 6187.1255038184. The cubic root of 38280522 is about 337.0228010413.

The spelling of 38280522 in words is "thirty-eight million, two hundred eighty thousand, five hundred twenty-two".