725224166 has 8 divisors (see below), whose sum is σ = 1087991544. Its totient is φ = 362560320.

The previous prime is 725224163. The next prime is 725224183. The reversal of 725224166 is 661422527.

725224166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (725224163) 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, 5000 + ... + 38411.

It is an arithmetic number, because the mean of its divisors is an integer number (135998943).

Almost surely, 2^725224166 is an apocalyptic number.

725224166 is a deficient number, since it is larger than the sum of its proper divisors (362767378).

725224166 is a wasteful number, since it uses less digits than its factorization.

725224166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51766.

The product of its digits is 40320, while the sum is 35.

The square root of 725224166 is about 26929.9863720723. The cubic root of 725224166 is about 898.4434684101.

The spelling of 725224166 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, one hundred sixty-six".