30226957 has 2 divisors, whose sum is σ = 30226958. Its totient is φ = 30226956.

The previous prime is 30226951. The next prime is 30226993. The reversal of 30226957 is 75962203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20529961 + 9696996 = 4531^2 + 3114^2 .

It is an emirp because it is prime and its reverse (75962203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30226957 - 2³ = 30226949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30226951) 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, 15113478 + 15113479.

It is an arithmetic number, because the mean of its divisors is an integer number (15113479).

Almost surely, 2^30226957 is an apocalyptic number.

It is an amenable number.

30226957 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226957 is an equidigital number, since it uses as much as digits as its factorization.

30226957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 30226957 is about 5497.9047827331. The cubic root of 30226957 is about 311.5048475397.

The spelling of 30226957 in words is "thirty million, two hundred twenty-six thousand, nine hundred fifty-seven".