30226657 has 2 divisors, whose sum is σ = 30226658. Its totient is φ = 30226656.

The previous prime is 30226649. The next prime is 30226661. The reversal of 30226657 is 75662203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 5216656 = 5001^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 30226657 - 2³ = 30226649 is a prime.

It is not a weakly prime, because it can be changed into another prime (30226627) 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, 15113328 + 15113329.

It is an arithmetic number, because the mean of its divisors is an integer number (15113329).

Almost surely, 2^30226657 is an apocalyptic number.

It is an amenable number.

30226657 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226657 is an equidigital number, since it uses as much as digits as its factorization.

30226657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 30226657 is about 5497.8774995447. The cubic root of 30226657 is about 311.5038169831.

The spelling of 30226657 in words is "thirty million, two hundred twenty-six thousand, six hundred fifty-seven".