30224700 has 216 divisors, whose sum is σ = 107243136. Its totient is φ = 7056000.

The previous prime is 30224669. The next prime is 30224723. The reversal of 30224700 is 742203.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 425665 + ... + 425735.

It is an arithmetic number, because the mean of its divisors is an integer number (496496).

Almost surely, 2^30224700 is an apocalyptic number.

30224700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30224700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53621568).

30224700 is an abundant number, since it is smaller than the sum of its proper divisors (77018436).

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

30224700 is a wasteful number, since it uses less digits than its factorization.

30224700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30224700 is about 5497.6995188897. The cubic root of 30224700 is about 311.4970941521.

Adding to 30224700 its reverse (742203), we get a palindrome (30966903).

The spelling of 30224700 in words is "thirty million, two hundred twenty-four thousand, seven hundred".