39224997 has 12 divisors (see below), whose sum is σ = 64752480. Its totient is φ = 22414248.

The previous prime is 39224993. The next prime is 39225019. The reversal of 39224997 is 79942293.

It is not a de Polignac number, because 39224997 - 2² = 39224993 is a prime.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39224993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311247 + ... + 311372.

It is an arithmetic number, because the mean of its divisors is an integer number (5396040).

Almost surely, 2^39224997 is an apocalyptic number.

It is an amenable number.

39224997 is a deficient number, since it is larger than the sum of its proper divisors (25527483).

39224997 is a wasteful number, since it uses less digits than its factorization.

39224997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622632 (or 622629 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 39224997 is about 6262.9862685463. The cubic root of 39224997 is about 339.7720415441.

The spelling of 39224997 in words is "thirty-nine million, two hundred twenty-four thousand, nine hundred ninety-seven".