30302222 has 8 divisors (see below), whose sum is σ = 45903672. Its totient is φ = 15001000.

The previous prime is 30302219. The next prime is 30302249. The reversal of 30302222 is 22220303.

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

It is a junction number, because it is equal to n+sod(n) for n = 30302197 and 30302206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74804 + ... + 75207.

It is an arithmetic number, because the mean of its divisors is an integer number (5737959).

Almost surely, 2^30302222 is an apocalyptic number.

30302222 is a deficient number, since it is larger than the sum of its proper divisors (15601450).

30302222 is a wasteful number, since it uses less digits than its factorization.

30302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150114.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30302222 is about 5504.7454073735. The cubic root of 30302222 is about 311.7631818422.

Adding to 30302222 its reverse (22220303), we get a palindrome (52522525).

The spelling of 30302222 in words is "thirty million, three hundred two thousand, two hundred twenty-two".