30222202 has 4 divisors (see below), whose sum is σ = 45333306. Its totient is φ = 15111100.

The previous prime is 30222187. The next prime is 30222211. The reversal of 30222202 is 20222203.

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

It can be written as a sum of positive squares in only one way, i.e., 19193161 + 11029041 = 4381^2 + 3321^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555549 + ... + 7555552.

Almost surely, 2^30222202 is an apocalyptic number.

30222202 is a deficient number, since it is larger than the sum of its proper divisors (15111104).

30222202 is a wasteful number, since it uses less digits than its factorization.

30222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111103.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 30222202 is about 5497.4723282614. The cubic root of 30222202 is about 311.4885124162.

Adding to 30222202 its reverse (20222203), we get a palindrome (50444405).

Subtracting from 30222202 its reverse (20222203), we obtain a palindrome (9999999).

The spelling of 30222202 in words is "thirty million, two hundred twenty-two thousand, two hundred two".