30163222 has 8 divisors (see below), whose sum is σ = 47626200. Its totient is φ = 14287824.

The previous prime is 30163157. The next prime is 30163223. The reversal of 30163222 is 22236103.

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

It is a super-2 number, since 2×30163222² = 1819639922842568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 30163222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163223) 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, 396847 + ... + 396922.

It is an arithmetic number, because the mean of its divisors is an integer number (5953275).

Almost surely, 2^30163222 is an apocalyptic number.

30163222 is a deficient number, since it is larger than the sum of its proper divisors (17462978).

30163222 is a wasteful number, since it uses less digits than its factorization.

30163222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793790.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30163222 is about 5492.1054250624. The cubic root of 30163222 is about 311.2857524669.

Adding to 30163222 its reverse (22236103), we get a palindrome (52399325).

The spelling of 30163222 in words is "thirty million, one hundred sixty-three thousand, two hundred twenty-two".