30430226 has 4 divisors (see below), whose sum is σ = 45645342. Its totient is φ = 15215112.

The previous prime is 30430223. The next prime is 30430271. The reversal of 30430226 is 62203403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62203403 = 67 ⋅928409.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 564001 = 5465^2 + 751^2 .

It is a super-2 number, since 2×30430226² = 1851997308822152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30430198 and 30430207.

It is not an unprimeable number, because it can be changed into a prime (30430223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607555 + ... + 7607558.

Almost surely, 2^30430226 is an apocalyptic number.

30430226 is a deficient number, since it is larger than the sum of its proper divisors (15215116).

30430226 is a wasteful number, since it uses less digits than its factorization.

30430226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215115.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30430226 is about 5516.3598504811. The cubic root of 30430226 is about 312.2015531451.

Adding to 30430226 its reverse (62203403), we get a palindrome (92633629).

The spelling of 30430226 in words is "thirty million, four hundred thirty thousand, two hundred twenty-six".