72220259 has 2 divisors, whose sum is σ = 72220260. Its totient is φ = 72220258.

The previous prime is 72220249. The next prime is 72220261. The reversal of 72220259 is 95202227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72220259 - 2⁴ = 72220243 is a prime.

Together with 72220261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72220249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110129 + 36110130.

It is an arithmetic number, because the mean of its divisors is an integer number (36110130).

Almost surely, 2^72220259 is an apocalyptic number.

72220259 is a deficient number, since it is larger than the sum of its proper divisors (1).

72220259 is an equidigital number, since it uses as much as digits as its factorization.

72220259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72220259 is about 8498.2503493366. The cubic root of 72220259 is about 416.4405523736.

The spelling of 72220259 in words is "seventy-two million, two hundred twenty thousand, two hundred fifty-nine".