30222880 has 48 divisors (see below), whose sum is σ = 72938880. Its totient is φ = 11828992.

The previous prime is 30222859. The next prime is 30222911. The reversal of 30222880 is 8822203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (1519560).

Almost surely, 2^30222880 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 30222880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36469440).

30222880 is an abundant number, since it is smaller than the sum of its proper divisors (42716000).

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

30222880 is a wasteful number, since it uses less digits than its factorization.

30222880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 30222880 is about 5497.5339926189. The cubic root of 30222880 is about 311.4908416931.

The spelling of 30222880 in words is "thirty million, two hundred twenty-two thousand, eight hundred eighty".