39722663 has 4 divisors (see below), whose sum is σ = 41092440. Its totient is φ = 38352888.

The previous prime is 39722653. The next prime is 39722689. The reversal of 39722663 is 36622793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36622793 = 3011 ⋅12163.

It is a cyclic number.

It is not a de Polignac number, because 39722663 - 2⁴ = 39722647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39722623) 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, 684845 + ... + 684902.

It is an arithmetic number, because the mean of its divisors is an integer number (10273110).

Almost surely, 2^39722663 is an apocalyptic number.

39722663 is a deficient number, since it is larger than the sum of its proper divisors (1369777).

39722663 is a wasteful number, since it uses less digits than its factorization.

39722663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369776.

The product of its digits is 81648, while the sum is 38.

The square root of 39722663 is about 6302.5917684711. The cubic root of 39722663 is about 341.2029562096.

The spelling of 39722663 in words is "thirty-nine million, seven hundred twenty-two thousand, six hundred sixty-three".