30224790 has 48 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 7862400.

The previous prime is 30224731. The next prime is 30224791. The reversal of 30224790 is 9742203.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224791) 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 23 ways as a sum of consecutive naturals, for example, 406 + ... + 7785.

It is an arithmetic number, because the mean of its divisors is an integer number (1677312).

Almost surely, 2^30224790 is an apocalyptic number.

30224790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30224790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40255488).

30224790 is an abundant number, since it is smaller than the sum of its proper divisors (50286186).

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

30224790 is a wasteful number, since it uses less digits than its factorization.

30224790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245 (or 8242 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30224790 is about 5497.7077041254. The cubic root of 30224790 is about 311.4974033331.

Adding to 30224790 its reverse (9742203), we get a palindrome (39966993).

The spelling of 30224790 in words is "thirty million, two hundred twenty-four thousand, seven hundred ninety".