38138022 has 48 divisors (see below), whose sum is σ = 89434800. Its totient is φ = 11676096.

The previous prime is 38138017. The next prime is 38138027. The reversal of 38138022 is 22083183.

It is an interprime number because it is at equal distance from previous prime (38138017) and next prime (38138027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38138027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81433 + ... + 81899.

It is an arithmetic number, because the mean of its divisors is an integer number (1863225).

Almost surely, 2^38138022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38138022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44717400).

38138022 is an abundant number, since it is smaller than the sum of its proper divisors (51296778).

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

38138022 is a wasteful number, since it uses less digits than its factorization.

38138022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 38138022 is about 6175.5989183236. The cubic root of 38138022 is about 336.6040897102.

The spelling of 38138022 in words is "thirty-eight million, one hundred thirty-eight thousand, twenty-two".