729222293 has 8 divisors (see below), whose sum is σ = 772390080. Its totient is φ = 686084800.

The previous prime is 729222289. The next prime is 729222353. The reversal of 729222293 is 392222927.

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 729222293 - 2² = 729222289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729222493) 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, 58568 + ... + 69918.

It is an arithmetic number, because the mean of its divisors is an integer number (96548760).

Almost surely, 2^729222293 is an apocalyptic number.

It is an amenable number.

729222293 is a deficient number, since it is larger than the sum of its proper divisors (43167787).

729222293 is a wasteful number, since it uses less digits than its factorization.

729222293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147.

The product of its digits is 54432, while the sum is 38.

The square root of 729222293 is about 27004.1162232723. The cubic root of 729222293 is about 900.0914693042.

The spelling of 729222293 in words is "seven hundred twenty-nine million, two hundred twenty-two thousand, two hundred ninety-three".