30404222 has 8 divisors (see below), whose sum is σ = 45629976. Its totient is φ = 15194232.

The previous prime is 30404203. The next prime is 30404239. The reversal of 30404222 is 22240403.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30404222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (5703747).

Almost surely, 2^30404222 is an apocalyptic number.

30404222 is a deficient number, since it is larger than the sum of its proper divisors (15225754).

30404222 is a wasteful number, since it uses less digits than its factorization.

30404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30404222 is about 5514.0023576346. The cubic root of 30404222 is about 312.1125977007.

Adding to 30404222 its reverse (22240403), we get a palindrome (52644625).

The spelling of 30404222 in words is "thirty million, four hundred four thousand, two hundred twenty-two".