30217230 has 24 divisors (see below), whose sum is σ = 78565032. Its totient is φ = 8057904.

The previous prime is 30217207. The next prime is 30217241. The reversal of 30217230 is 3271203.

30217230 = T₂₆ + T₂₇ + ... + T₅₆₅.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167784 + ... + 167963.

It is an arithmetic number, because the mean of its divisors is an integer number (3273543).

Almost surely, 2^30217230 is an apocalyptic number.

30217230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30217230 is an abundant number, since it is smaller than the sum of its proper divisors (48347802).

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

30217230 is a wasteful number, since it uses less digits than its factorization.

30217230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335760 (or 335757 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 30217230 is about 5497.0201018370. The cubic root of 30217230 is about 311.4714299876.

Adding to 30217230 its reverse (3271203), we get a palindrome (33488433).

The spelling of 30217230 in words is "thirty million, two hundred seventeen thousand, two hundred thirty".