30612226 has 16 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 14597968.

The previous prime is 30612203. The next prime is 30612227. The reversal of 30612226 is 62221603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30612197 and 30612206.

It is not an unprimeable number, because it can be changed into a prime (30612227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1635 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 2^30612226 is an apocalyptic number.

30612226 is a deficient number, since it is larger than the sum of its proper divisors (17469374).

30612226 is a wasteful number, since it uses less digits than its factorization.

30612226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30612226 is about 5532.8316439234. The cubic root of 30612226 is about 312.8227313343.

Adding to 30612226 its reverse (62221603), we get a palindrome (92833829).

The spelling of 30612226 in words is "thirty million, six hundred twelve thousand, two hundred twenty-six".