39722230 has 8 divisors (see below), whose sum is σ = 71500032. Its totient is φ = 15888888.

The previous prime is 39722209. The next prime is 39722237. The reversal of 39722230 is 3222793.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39722237) 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, 1986102 + ... + 1986121.

It is an arithmetic number, because the mean of its divisors is an integer number (8937504).

Almost surely, 2^39722230 is an apocalyptic number.

39722230 is a deficient number, since it is larger than the sum of its proper divisors (31777802).

39722230 is a wasteful number, since it uses less digits than its factorization.

39722230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972230.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 39722230 is about 6302.5574174298. The cubic root of 39722230 is about 341.2017164352.

The spelling of 39722230 in words is "thirty-nine million, seven hundred twenty-two thousand, two hundred thirty".