72229363 has 2 divisors, whose sum is σ = 72229364. Its totient is φ = 72229362.

The previous prime is 72229327. The next prime is 72229369. The reversal of 72229363 is 36392227.

It is a strong prime.

It is an emirp because it is prime and its reverse (36392227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72229363 - 2⁹ = 72228851 is a prime.

It is not a weakly prime, because it can be changed into another prime (72229369) 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, 36114681 + 36114682.

It is an arithmetic number, because the mean of its divisors is an integer number (36114682).

Almost surely, 2^72229363 is an apocalyptic number.

72229363 is a deficient number, since it is larger than the sum of its proper divisors (1).

72229363 is an equidigital number, since it uses as much as digits as its factorization.

72229363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 72229363 is about 8498.7859721257. The cubic root of 72229363 is about 416.4580503053.

The spelling of 72229363 in words is "seventy-two million, two hundred twenty-nine thousand, three hundred sixty-three".