722955533 has 2 divisors, whose sum is σ = 722955534. Its totient is φ = 722955532.

The previous prime is 722955511. The next prime is 722955577. The reversal of 722955533 is 335559227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459802249 + 263153284 = 21443^2 + 16222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722955533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722955593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361477766 + 361477767.

It is an arithmetic number, because the mean of its divisors is an integer number (361477767).

Almost surely, 2^722955533 is an apocalyptic number.

It is an amenable number.

722955533 is a deficient number, since it is larger than the sum of its proper divisors (1).

722955533 is an equidigital number, since it uses as much as digits as its factorization.

722955533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500, while the sum is 41.

The square root of 722955533 is about 26887.8324340212. The cubic root of 722955533 is about 897.5056583624.

The spelling of 722955533 in words is "seven hundred twenty-two million, nine hundred fifty-five thousand, five hundred thirty-three".