30022756081 has 2 divisors, whose sum is σ = 30022756082. Its totient is φ = 30022756080.

The previous prime is 30022756067. The next prime is 30022756087. The reversal of 30022756081 is 18065722003.

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., 18762150625 + 11260605456 = 136975^2 + 106116^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022756081 - 2⁹ = 30022755569 is a prime.

It is a super-2 number, since 2×30022756081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30022756087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011378040 + 15011378041.

It is an arithmetic number, because the mean of its divisors is an integer number (15011378041).

Almost surely, 2^30022756081 is an apocalyptic number.

It is an amenable number.

30022756081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022756081 is an equidigital number, since it uses as much as digits as its factorization.

30022756081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 30022756081 in words is "thirty billion, twenty-two million, seven hundred fifty-six thousand, eighty-one".