30005226 has 24 divisors (see below), whose sum is σ = 65189124. Its totient is φ = 9974400.

The previous prime is 30005197. The next prime is 30005231. The reversal of 30005226 is 62250003.

It can be written as a sum of positive squares in 2 ways, for example, as 27029601 + 2975625 = 5199^2 + 1725^2 .

It is a super-2 number, since 2×30005226² = 1800627174622152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30005199 and 30005208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5140 + ... + 9296.

Almost surely, 2^30005226 is an apocalyptic number.

30005226 is an abundant number, since it is smaller than the sum of its proper divisors (35183898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30005226 is a wasteful number, since it uses less digits than its factorization.

30005226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30005226 is about 5477.7026206248. The cubic root of 30005226 is about 310.7412922112.

Adding to 30005226 its reverse (62250003), we get a palindrome (92255229).

The spelling of 30005226 in words is "thirty million, five thousand, two hundred twenty-six".