30105226 has 4 divisors (see below), whose sum is σ = 45157842. Its totient is φ = 15052612.

The previous prime is 30105209. The next prime is 30105307. The reversal of 30105226 is 62250103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 7017201 = 4805^2 + 2649^2 .

It is a super-3 number, since 3×30105226³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526305 + ... + 7526308.

Almost surely, 2^30105226 is an apocalyptic number.

30105226 is a deficient number, since it is larger than the sum of its proper divisors (15052616).

30105226 is a wasteful number, since it uses less digits than its factorization.

30105226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052615.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30105226 is about 5486.8229422864. The cubic root of 30105226 is about 311.0861173893.

Adding to 30105226 its reverse (62250103), we get a palindrome (92355329).

The spelling of 30105226 in words is "thirty million, one hundred five thousand, two hundred twenty-six".