38622012 has 96 divisors (see below), whose sum is σ = 107702784. Its totient is φ = 10617600.

The previous prime is 38621993. The next prime is 38622019. The reversal of 38622012 is 21022683.

38622012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38622019) 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 in 31 ways as a sum of consecutive naturals, for example, 121678 + ... + 121994.

It is an arithmetic number, because the mean of its divisors is an integer number (1121904).

Almost surely, 2^38622012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38622012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53851392).

38622012 is an abundant number, since it is smaller than the sum of its proper divisors (69080772).

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

38622012 is a wasteful number, since it uses less digits than its factorization.

38622012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 38622012 is about 6214.6610527043. The cubic root of 38622012 is about 338.0219982648.

Adding to 38622012 its reverse (21022683), we get a palindrome (59644695).

The spelling of 38622012 in words is "thirty-eight million, six hundred twenty-two thousand, twelve".