38224285 has 8 divisors (see below), whose sum is σ = 50039136. Its totient is φ = 27799440.

The previous prime is 38224283. The next prime is 38224297. The reversal of 38224285 is 58242283.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38224285 - 2¹ = 38224283 is a prime.

It is a super-2 number, since 2×38224285² = 2922191927522450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38224285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38224283) 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, 347439 + ... + 347548.

It is an arithmetic number, because the mean of its divisors is an integer number (6254892).

Almost surely, 2^38224285 is an apocalyptic number.

It is an amenable number.

38224285 is a deficient number, since it is larger than the sum of its proper divisors (11814851).

38224285 is a wasteful number, since it uses less digits than its factorization.

38224285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695003.

The product of its digits is 30720, while the sum is 34.

The square root of 38224285 is about 6182.5791543659. The cubic root of 38224285 is about 336.8576827770.

The spelling of 38224285 in words is "thirty-eight million, two hundred twenty-four thousand, two hundred eighty-five".