39221995 has 8 divisors (see below), whose sum is σ = 47139984. Its totient is φ = 31328544.

The previous prime is 39221993. The next prime is 39222011. The reversal of 39221995 is 59912293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39221995 - 2¹ = 39221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39221993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (5892498).

Almost surely, 2^39221995 is an apocalyptic number.

39221995 is a deficient number, since it is larger than the sum of its proper divisors (7917989).

39221995 is a wasteful number, since it uses less digits than its factorization.

39221995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269.

The product of its digits is 43740, while the sum is 40.

The square root of 39221995 is about 6262.7466019311. The cubic root of 39221995 is about 339.7633734177.

The spelling of 39221995 in words is "thirty-nine million, two hundred twenty-one thousand, nine hundred ninety-five".