30422273 has 4 divisors (see below), whose sum is σ = 34768320. Its totient is φ = 26076228.

The previous prime is 30422269. The next prime is 30422279. The reversal of 30422273 is 37222403.

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.

It is a cyclic number.

It is not a de Polignac number, because 30422273 - 2² = 30422269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30422279) 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, 2173013 + ... + 2173026.

It is an arithmetic number, because the mean of its divisors is an integer number (8692080).

Almost surely, 2^30422273 is an apocalyptic number.

It is an amenable number.

30422273 is a deficient number, since it is larger than the sum of its proper divisors (4346047).

30422273 is an equidigital number, since it uses as much as digits as its factorization.

30422273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346046.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30422273 is about 5515.6389475744. The cubic root of 30422273 is about 312.1743526100.

Adding to 30422273 its reverse (37222403), we get a palindrome (67644676).

The spelling of 30422273 in words is "thirty million, four hundred twenty-two thousand, two hundred seventy-three".