722003273 has 2 divisors, whose sum is σ = 722003274. Its totient is φ = 722003272.

The previous prime is 722003267. The next prime is 722003371. The reversal of 722003273 is 372300227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 634636864 + 87366409 = 25192^2 + 9347^2 .

It is a cyclic number.

It is not a de Polignac number, because 722003273 - 2⁸ = 722003017 is a prime.

It is not a weakly prime, because it can be changed into another prime (722002273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361001636 + 361001637.

It is an arithmetic number, because the mean of its divisors is an integer number (361001637).

Almost surely, 2^722003273 is an apocalyptic number.

It is an amenable number.

722003273 is a deficient number, since it is larger than the sum of its proper divisors (1).

722003273 is an equidigital number, since it uses as much as digits as its factorization.

722003273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 722003273 is about 26870.1185892433. The cubic root of 722003273 is about 897.1114274498. Note that the first 3 decimals are identical.

The spelling of 722003273 in words is "seven hundred twenty-two million, three thousand, two hundred seventy-three".