38224394 has 16 divisors (see below), whose sum is σ = 61901448. Its totient is φ = 17597952.

The previous prime is 38224379. The next prime is 38224411. The reversal of 38224394 is 49342283.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37368769 + 855625 = 6113^2 + 925^2 .

It is a super-2 number, since 2×38224394² = 2922208593334472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10274 + ... + 13490.

Almost surely, 2^38224394 is an apocalyptic number.

38224394 is a deficient number, since it is larger than the sum of its proper divisors (23677054).

38224394 is a wasteful number, since it uses less digits than its factorization.

38224394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its digits is 41472, while the sum is 35.

The square root of 38224394 is about 6182.5879694510. The cubic root of 38224394 is about 336.8580029700.

The spelling of 38224394 in words is "thirty-eight million, two hundred twenty-four thousand, three hundred ninety-four".