30222185 has 8 divisors (see below), whose sum is σ = 41447616. Its totient is φ = 20723760.

The previous prime is 30222173. The next prime is 30222187. The reversal of 30222185 is 58122203.

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

It is not a de Polignac number, because 30222185 - 2⁴ = 30222169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30222185.

It is not an unprimeable number, because it can be changed into a prime (30222187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431711 + ... + 431780.

It is an arithmetic number, because the mean of its divisors is an integer number (5180952).

Almost surely, 2^30222185 is an apocalyptic number.

30222185 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30222185 is a deficient number, since it is larger than the sum of its proper divisors (11225431).

30222185 is an equidigital number, since it uses as much as digits as its factorization.

30222185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863503.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30222185 is about 5497.4707820961. The cubic root of 30222185 is about 311.4884540120.

Adding to 30222185 its reverse (58122203), we get a palindrome (88344388).

The spelling of 30222185 in words is "thirty million, two hundred twenty-two thousand, one hundred eighty-five".