38233221 has 16 divisors (see below), whose sum is σ = 58129344. Its totient is φ = 22143744.

The previous prime is 38233219. The next prime is 38233253. The reversal of 38233221 is 12233283.

It is not a de Polignac number, because 38233221 - 2¹ = 38233219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38233191 and 38233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28171 + ... + 29496.

It is an arithmetic number, because the mean of its divisors is an integer number (3633084).

Almost surely, 2^38233221 is an apocalyptic number.

It is an amenable number.

38233221 is a deficient number, since it is larger than the sum of its proper divisors (19896123).

38233221 is a wasteful number, since it uses less digits than its factorization.

38233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57700.

The product of its digits is 1728, while the sum is 24.

The square root of 38233221 is about 6183.3017878800. The cubic root of 38233221 is about 336.8839307126.

The spelling of 38233221 in words is "thirty-eight million, two hundred thirty-three thousand, two hundred twenty-one".