39224001 has 4 divisors (see below), whose sum is σ = 52298672. Its totient is φ = 26149332.

The previous prime is 39223973. The next prime is 39224023. The reversal of 39224001 is 10042293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10042293 = 3 ⋅3347431.

It is not a de Polignac number, because 39224001 - 2⁶ = 39223937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39224071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6537331 + ... + 6537336.

It is an arithmetic number, because the mean of its divisors is an integer number (13074668).

Almost surely, 2^39224001 is an apocalyptic number.

It is an amenable number.

39224001 is a deficient number, since it is larger than the sum of its proper divisors (13074671).

39224001 is a wasteful number, since it uses less digits than its factorization.

39224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074670.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 39224001 is about 6262.9067532576. The cubic root of 39224001 is about 339.7691656924.

Adding to 39224001 its reverse (10042293), we get a palindrome (49266294).

The spelling of 39224001 in words is "thirty-nine million, two hundred twenty-four thousand, one".