30223648 has 96 divisors (see below), whose sum is σ = 74680704. Its totient is φ = 11722752.

The previous prime is 30223643. The next prime is 30223651. The reversal of 30223648 is 84632203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (30223643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 282411 + ... + 282517.

It is an arithmetic number, because the mean of its divisors is an integer number (777924).

Almost surely, 2^30223648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30223648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37340352).

30223648 is an abundant number, since it is smaller than the sum of its proper divisors (44457056).

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

30223648 is a wasteful number, since it uses less digits than its factorization.

30223648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30223648 is about 5497.6038416750. The cubic root of 30223648 is about 311.4934801240.

It can be divided in two parts, 3022 and 3648, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 30223648 in words is "thirty million, two hundred twenty-three thousand, six hundred forty-eight".