722133653 has 2 divisors, whose sum is σ = 722133654. Its totient is φ = 722133652.

The previous prime is 722133649. The next prime is 722133661. The reversal of 722133653 is 356331227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528172324 + 193961329 = 22982^2 + 13927^2 .

It is a cyclic number.

It is not a de Polignac number, because 722133653 - 2² = 722133649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722133683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361066826 + 361066827.

It is an arithmetic number, because the mean of its divisors is an integer number (361066827).

Almost surely, 2^722133653 is an apocalyptic number.

It is an amenable number.

722133653 is a deficient number, since it is larger than the sum of its proper divisors (1).

722133653 is an equidigital number, since it uses as much as digits as its factorization.

722133653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 722133653 is about 26872.5445948090. The cubic root of 722133653 is about 897.1654245957.

The spelling of 722133653 in words is "seven hundred twenty-two million, one hundred thirty-three thousand, six hundred fifty-three".