30030002221 has 4 divisors (see below), whose sum is σ = 30030698592. Its totient is φ = 30029305852.

The previous prime is 30030002213. The next prime is 30030002243. The reversal of 30030002221 is 12220003003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12220003003 = 13 ⋅940000231.

It is a cyclic number.

It is not a de Polignac number, because 30030002221 - 2³ = 30030002213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030002921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278905 + ... + 371278.

It is an arithmetic number, because the mean of its divisors is an integer number (7507674648).

Almost surely, 2^30030002221 is an apocalyptic number.

It is an amenable number.

30030002221 is a deficient number, since it is larger than the sum of its proper divisors (696371).

30030002221 is an equidigital number, since it uses as much as digits as its factorization.

30030002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696370.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30030002221 its reverse (12220003003), we get a palindrome (42250005224).

The spelling of 30030002221 in words is "thirty billion, thirty million, two thousand, two hundred twenty-one".