30219801 has 16 divisors (see below), whose sum is σ = 41079168. Its totient is φ = 19756800.

The previous prime is 30219797. The next prime is 30219803. The reversal of 30219801 is 10891203.

It is not a de Polignac number, because 30219801 - 2² = 30219797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30219803) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 71571 + ... + 71991.

It is an arithmetic number, because the mean of its divisors is an integer number (2567448).

Almost surely, 2^30219801 is an apocalyptic number.

It is an amenable number.

30219801 is a deficient number, since it is larger than the sum of its proper divisors (10859367).

30219801 is a wasteful number, since it uses less digits than its factorization.

30219801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 30219801 is about 5497.2539508376. The cubic root of 30219801 is about 311.4802634725.

The spelling of 30219801 in words is "thirty million, two hundred nineteen thousand, eight hundred one".