722471 has 4 divisors (see below), whose sum is σ = 724200. Its totient is φ = 720744.

The previous prime is 722467. The next prime is 722479. The reversal of 722471 is 174227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174227 = 59 ⋅2953.

It is a cyclic number.

It is not a de Polignac number, because 722471 - 2² = 722467 is a prime.

It is a super-3 number, since 3×722471³ = 1131312308712279333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722479) 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, 200 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (181050).

2⁷²²⁴⁷¹ is an apocalyptic number.

722471 is a deficient number, since it is larger than the sum of its proper divisors (1729).

722471 is a wasteful number, since it uses less digits than its factorization.

722471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its digits is 784, while the sum is 23.

The square root of 722471 is about 849.9829410053. The cubic root of 722471 is about 89.7305107394.

Adding to 722471 its reverse (174227), we get a palindrome (896698).

The spelling of 722471 in words is "seven hundred twenty-two thousand, four hundred seventy-one", and thus it is an iban number.