30222021 has 8 divisors (see below), whose sum is σ = 40322304. Its totient is φ = 20134880.

The previous prime is 30222013. The next prime is 30222037. The reversal of 30222021 is 12022203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30222021 - 2³ = 30222013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221988 and 30222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5260 + ... + 9386.

It is an arithmetic number, because the mean of its divisors is an integer number (5040288).

Almost surely, 2^30222021 is an apocalyptic number.

It is an amenable number.

30222021 is a deficient number, since it is larger than the sum of its proper divisors (10100283).

30222021 is a wasteful number, since it uses less digits than its factorization.

30222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30222021 is about 5497.4558661257. The cubic root of 30222021 is about 311.4878905827.

Adding to 30222021 its reverse (12022203), we get a palindrome (42244224).

It can be divided in two parts, 3022202 and 1, that added together give a palindrome (3022203).

The spelling of 30222021 in words is "thirty million, two hundred twenty-two thousand, twenty-one".