30556226 has 4 divisors (see below), whose sum is σ = 45834342. Its totient is φ = 15278112.

The previous prime is 30556177. The next prime is 30556271. The reversal of 30556226 is 62265503.

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., 30195025 + 361201 = 5495^2 + 601^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7639055 + ... + 7639058.

Almost surely, 2^30556226 is an apocalyptic number.

30556226 is a deficient number, since it is larger than the sum of its proper divisors (15278116).

30556226 is a wasteful number, since it uses less digits than its factorization.

30556226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278115.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 30556226 is about 5527.7686275748. The cubic root of 30556226 is about 312.6318624315.

The spelling of 30556226 in words is "thirty million, five hundred fifty-six thousand, two hundred twenty-six".