72220363 has 2 divisors, whose sum is σ = 72220364. Its totient is φ = 72220362.

The previous prime is 72220333. The next prime is 72220381. The reversal of 72220363 is 36302227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72220363 - 2¹³ = 72212171 is a prime.

It is not a weakly prime, because it can be changed into another prime (72220333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110181 + 36110182.

It is an arithmetic number, because the mean of its divisors is an integer number (36110182).

Almost surely, 2^72220363 is an apocalyptic number.

72220363 is a deficient number, since it is larger than the sum of its proper divisors (1).

72220363 is an equidigital number, since it uses as much as digits as its factorization.

72220363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72220363 is about 8498.2564682410. The cubic root of 72220363 is about 416.4407522704.

The spelling of 72220363 in words is "seventy-two million, two hundred twenty thousand, three hundred sixty-three".