30055223 has 16 divisors (see below), whose sum is σ = 34421760. Its totient is φ = 25989600.

The previous prime is 30055217. The next prime is 30055229. The reversal of 30055223 is 32255003.

It is an interprime number because it is at equal distance from previous prime (30055217) and next prime (30055229).

It is a cyclic number.

It is not a de Polignac number, because 30055223 - 2¹² = 30051127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30055195 and 30055204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21986 + ... + 23312.

It is an arithmetic number, because the mean of its divisors is an integer number (2151360).

Almost surely, 2^30055223 is an apocalyptic number.

30055223 is a deficient number, since it is larger than the sum of its proper divisors (4366537).

30055223 is a wasteful number, since it uses less digits than its factorization.

30055223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30055223 is about 5482.2644044227. The cubic root of 30055223 is about 310.9137900643.

It can be divided in two parts, 3005 and 5223, that added together give a palindrome (8228).

The spelling of 30055223 in words is "thirty million, fifty-five thousand, two hundred twenty-three".