722896193 has 2 divisors, whose sum is σ = 722896194. Its totient is φ = 722896192.

The previous prime is 722896171. The next prime is 722896241. The reversal of 722896193 is 391698227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609941809 + 112954384 = 24697^2 + 10628^2 .

It is a cyclic number.

It is not a de Polignac number, because 722896193 - 2⁸ = 722895937 is a prime.

It is a super-3 number, since 3×722896193³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (722896123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361448096 + 361448097.

It is an arithmetic number, because the mean of its divisors is an integer number (361448097).

Almost surely, 2^722896193 is an apocalyptic number.

It is an amenable number.

722896193 is a deficient number, since it is larger than the sum of its proper divisors (1).

722896193 is an equidigital number, since it uses as much as digits as its factorization.

722896193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 722896193 is about 26886.7289382699. The cubic root of 722896193 is about 897.4811020144.

The spelling of 722896193 in words is "seven hundred twenty-two million, eight hundred ninety-six thousand, one hundred ninety-three".