722293 has 8 divisors (see below), whose sum is σ = 848736. Its totient is φ = 606000.

The previous prime is 722291. The next prime is 722299. The reversal of 722293 is 392227.

722293 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 cyclic number.

It is not a de Polignac number, because 722293 - 2¹ = 722291 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722291) 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, 2383 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (106092).

2⁷²²²⁹³ is an apocalyptic number.

It is an amenable number.

722293 is a deficient number, since it is larger than the sum of its proper divisors (126443).

722293 is a wasteful number, since it uses less digits than its factorization.

722293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its digits is 1512, while the sum is 25.

The square root of 722293 is about 849.8782265713. The cubic root of 722293 is about 89.7231409659.

The spelling of 722293 in words is "seven hundred twenty-two thousand, two hundred ninety-three".