30001222 has 8 divisors (see below), whose sum is σ = 45439056. Its totient is φ = 14854872.

The previous prime is 30001201. The next prime is 30001241. The reversal of 30001222 is 22210003.

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 = 30001199 and 30001208.

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, 72613 + ... + 73024.

It is an arithmetic number, because the mean of its divisors is an integer number (5679882).

Almost surely, 2^30001222 is an apocalyptic number.

30001222 is a deficient number, since it is larger than the sum of its proper divisors (15437834).

30001222 is a wasteful number, since it uses less digits than its factorization.

30001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145742.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30001222 is about 5477.3371267432. The cubic root of 30001222 is about 310.7274694694.

Adding to 30001222 its reverse (22210003), we get a palindrome (52211225).

The spelling of 30001222 in words is "thirty million, one thousand, two hundred twenty-two".