722214943 has 4 divisors (see below), whose sum is σ = 729365688. Its totient is φ = 715064200.

The previous prime is 722214937. The next prime is 722214953. The reversal of 722214943 is 349412227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722214943 - 2⁹ = 722214431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722214899 and 722214908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722214953) 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, 3575221 + ... + 3575422.

It is an arithmetic number, because the mean of its divisors is an integer number (182341422).

Almost surely, 2^722214943 is an apocalyptic number.

722214943 is a deficient number, since it is larger than the sum of its proper divisors (7150745).

722214943 is a wasteful number, since it uses less digits than its factorization.

722214943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150744.

The product of its digits is 24192, while the sum is 34.

The square root of 722214943 is about 26874.0570625278. The cubic root of 722214943 is about 897.1990877274.

The spelling of 722214943 in words is "seven hundred twenty-two million, two hundred fourteen thousand, nine hundred forty-three".