30127222 has 4 divisors (see below), whose sum is σ = 45190836. Its totient is φ = 15063610.

The previous prime is 30127211. The next prime is 30127243. The reversal of 30127222 is 22272103.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30127222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7531804 + ... + 7531807.

It is an arithmetic number, because the mean of its divisors is an integer number (11297709).

Almost surely, 2^30127222 is an apocalyptic number.

30127222 is a deficient number, since it is larger than the sum of its proper divisors (15063614).

30127222 is a wasteful number, since it uses less digits than its factorization.

30127222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063613.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 30127222 is about 5488.8270149459. The cubic root of 30127222 is about 311.1618626483.

Adding to 30127222 its reverse (22272103), we get a palindrome (52399325).

The spelling of 30127222 in words is "thirty million, one hundred twenty-seven thousand, two hundred twenty-two".