30022001 has 4 divisors (see below), whose sum is σ = 30033012. Its totient is φ = 30010992.

The previous prime is 30021977. The next prime is 30022007. The reversal of 30022001 is 10022003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10022003 = 103 ⋅97301.

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 17631601 = 3520^2 + 4199^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022001 - 2¹⁸ = 29759857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30022001.

It is not an unprimeable number, because it can be changed into a prime (30022007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (7508253).

Almost surely, 2^30022001 is an apocalyptic number.

It is an amenable number.

30022001 is a deficient number, since it is larger than the sum of its proper divisors (11011).

30022001 is an equidigital number, since it uses as much as digits as its factorization.

30022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30022001 is about 5479.2336142932. The cubic root of 30022001 is about 310.7991900594.

Adding to 30022001 its reverse (10022003), we get a palindrome (40044004).

The spelling of 30022001 in words is "thirty million, twenty-two thousand, one".