30401222 has 16 divisors (see below), whose sum is σ = 47377440. Its totient is φ = 14613312.

The previous prime is 30401221. The next prime is 30401227. The reversal of 30401222 is 22210403.

It is a junction number, because it is equal to n+sod(n) for n = 30401197 and 30401206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30401221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14258 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (2961090).

Almost surely, 2^30401222 is an apocalyptic number.

30401222 is a deficient number, since it is larger than the sum of its proper divisors (16976218).

30401222 is a wasteful number, since it uses less digits than its factorization.

30401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30401222 is about 5513.7303162197. The cubic root of 30401222 is about 312.1023319270.

Adding to 30401222 its reverse (22210403), we get a palindrome (52611625).

The spelling of 30401222 in words is "thirty million, four hundred one thousand, two hundred twenty-two".