30222643 has 8 divisors (see below), whose sum is σ = 33019056. Its totient is φ = 27434400.

The previous prime is 30222637. The next prime is 30222653. The reversal of 30222643 is 34622203.

It is a happy number.

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 30222643 - 2⁹ = 30222131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30222623) 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, 7773 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (4127382).

Almost surely, 2^30222643 is an apocalyptic number.

30222643 is a deficient number, since it is larger than the sum of its proper divisors (2796413).

30222643 is a wasteful number, since it uses less digits than its factorization.

30222643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30222643 is about 5497.5124374575. The cubic root of 30222643 is about 311.4900274808.

Adding to 30222643 its reverse (34622203), we get a palindrome (64844846).

It can be divided in two parts, 3022 and 2643, that added together give a palindrome (5665).

The spelling of 30222643 in words is "thirty million, two hundred twenty-two thousand, six hundred forty-three".