39224421 has 12 divisors (see below), whose sum is σ = 56728672. Its totient is φ = 26116776.

The previous prime is 39224411. The next prime is 39224431. The reversal of 39224421 is 12442293.

It is an interprime number because it is at equal distance from previous prime (39224411) and next prime (39224431).

It is not a de Polignac number, because 39224421 - 2⁹ = 39223909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39224411) 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 11 ways as a sum of consecutive naturals, for example, 6450 + ... + 10956.

Almost surely, 2^39224421 is an apocalyptic number.

It is an amenable number.

39224421 is a deficient number, since it is larger than the sum of its proper divisors (17504251).

39224421 is a wasteful number, since it uses less digits than its factorization.

39224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480 (or 5477 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 39224421 is about 6262.9402839242. The cubic root of 39224421 is about 339.7703784069.

The spelling of 39224421 in words is "thirty-nine million, two hundred twenty-four thousand, four hundred twenty-one".