30022081 has 2 divisors, whose sum is σ = 30022082. Its totient is φ = 30022080.

The previous prime is 30022073. The next prime is 30022087. The reversal of 30022081 is 18022003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 5022081 = 5000^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022081 - 2³ = 30022073 is a prime.

It is a super-2 number, since 2×30022081² = 1802650695141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30022087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011040 + 15011041.

It is an arithmetic number, because the mean of its divisors is an integer number (15011041).

Almost surely, 2^30022081 is an apocalyptic number.

It is an amenable number.

30022081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022081 is an equidigital number, since it uses as much as digits as its factorization.

30022081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30022081 is about 5479.2409145793. The cubic root of 30022081 is about 310.7994661227.

Adding to 30022081 its reverse (18022003), we get a palindrome (48044084).

The spelling of 30022081 in words is "thirty million, twenty-two thousand, eighty-one".