30420226 has 8 divisors (see below), whose sum is σ = 46073664. Its totient is φ = 15062340.

The previous prime is 30420209. The next prime is 30420227. The reversal of 30420226 is 62202403.

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

It is not an unprimeable number, because it can be changed into a prime (30420227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73630 + ... + 74041.

It is an arithmetic number, because the mean of its divisors is an integer number (5759208).

Almost surely, 2^30420226 is an apocalyptic number.

30420226 is a deficient number, since it is larger than the sum of its proper divisors (15653438).

30420226 is a wasteful number, since it uses less digits than its factorization.

30420226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147776.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30420226 is about 5515.4533811827. The cubic root of 30420226 is about 312.1673507747.

Adding to 30420226 its reverse (62202403), we get a palindrome (92622629).

The spelling of 30420226 in words is "thirty million, four hundred twenty thousand, two hundred twenty-six".