30202222 has 4 divisors (see below), whose sum is σ = 45303336. Its totient is φ = 15101110.

The previous prime is 30202219. The next prime is 30202241. The reversal of 30202222 is 22220203.

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

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 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, 7550554 + ... + 7550557.

It is an arithmetic number, because the mean of its divisors is an integer number (11325834).

Almost surely, 2^30202222 is an apocalyptic number.

30202222 is a deficient number, since it is larger than the sum of its proper divisors (15101114).

30202222 is a wasteful number, since it uses less digits than its factorization.

30202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101113.

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

The square root of 30202222 is about 5495.6548290445. The cubic root of 30202222 is about 311.4198552476.

Adding to 30202222 its reverse (22220203), we get a palindrome (52422425).

The spelling of 30202222 in words is "thirty million, two hundred two thousand, two hundred twenty-two".