30226481 has 2 divisors, whose sum is σ = 30226482. Its totient is φ = 30226480.

The previous prime is 30226433. The next prime is 30226489. The reversal of 30226481 is 18462203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27615025 + 2611456 = 5255^2 + 1616^2 .

It is an emirp because it is prime and its reverse (18462203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30226481 - 2¹⁰ = 30225457 is a prime.

It is a super-2 number, since 2×30226481² = 1827280307286722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30226481.

It is not a weakly prime, because it can be changed into another prime (30226489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113240 + 15113241.

It is an arithmetic number, because the mean of its divisors is an integer number (15113241).

Almost surely, 2^30226481 is an apocalyptic number.

It is an amenable number.

30226481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226481 is an equidigital number, since it uses as much as digits as its factorization.

30226481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30226481 is about 5497.8614933445. The cubic root of 30226481 is about 311.5032123868.

Adding to 30226481 its reverse (18462203), we get a palindrome (48688684).

The spelling of 30226481 in words is "thirty million, two hundred twenty-six thousand, four hundred eighty-one".