30555214 has 4 divisors (see below), whose sum is σ = 45832824. Its totient is φ = 15277606.

The previous prime is 30555199. The next prime is 30555221. The reversal of 30555214 is 41255503.

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

It is a super-2 number, since 2×30555214² = 1867242205171592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638802 + ... + 7638805.

It is an arithmetic number, because the mean of its divisors is an integer number (11458206).

Almost surely, 2^30555214 is an apocalyptic number.

30555214 is a deficient number, since it is larger than the sum of its proper divisors (15277610).

30555214 is a wasteful number, since it uses less digits than its factorization.

30555214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277609.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 30555214 is about 5527.6770889769. The cubic root of 30555214 is about 312.6284110134.

The spelling of 30555214 in words is "thirty million, five hundred fifty-five thousand, two hundred fourteen".