722273 has 2 divisors, whose sum is σ = 722274. Its totient is φ = 722272.

The previous prime is 722257. The next prime is 722287. The reversal of 722273 is 372227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 44944 = 823^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 722273 - 2⁴ = 722257 is a prime.

It is not a weakly prime, because it can be changed into another prime (722213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361136 + 361137.

It is an arithmetic number, because the mean of its divisors is an integer number (361137).

2⁷²²²⁷³ is an apocalyptic number.

It is an amenable number.

722273 is a deficient number, since it is larger than the sum of its proper divisors (1).

722273 is an equidigital number, since it uses as much as digits as its factorization.

722273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 23.

The square root of 722273 is about 849.8664600983. The cubic root of 722273 is about 89.7223128258.

The spelling of 722273 in words is "seven hundred twenty-two thousand, two hundred seventy-three", and thus it is an iban number.