38020224 has 64 divisors (see below), whose sum is σ = 110184480. Its totient is φ = 11520000.

The previous prime is 38020223. The next prime is 38020267. The reversal of 38020224 is 42202083.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 38020224.

It is not an unprimeable number, because it can be changed into a prime (38020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 8724.

Almost surely, 2^38020224 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 38020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55092240).

38020224 is an abundant number, since it is smaller than the sum of its proper divisors (72164256).

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

38020224 is a wasteful number, since it uses less digits than its factorization.

38020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 38020224 is about 6166.0541677802. The cubic root of 38020224 is about 336.2571727256.

The spelling of 38020224 in words is "thirty-eight million, twenty thousand, two hundred twenty-four".