30219158 has 16 divisors (see below), whose sum is σ = 49006320. Its totient is φ = 13926816.

The previous prime is 30219157. The next prime is 30219179. The reversal of 30219158 is 85191203.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30219158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30219157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341 + ... + 12152.

It is an arithmetic number, because the mean of its divisors is an integer number (3062895).

Almost surely, 2^30219158 is an apocalyptic number.

30219158 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30219158 is a deficient number, since it is larger than the sum of its proper divisors (18787162).

30219158 is a wasteful number, since it uses less digits than its factorization.

30219158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 30219158 is about 5497.1954667812. The cubic root of 30219158 is about 311.4780542893.

The spelling of 30219158 in words is "thirty million, two hundred nineteen thousand, one hundred fifty-eight".