30022986 has 48 divisors (see below), whose sum is σ = 73970496. Its totient is φ = 8072064.

The previous prime is 30022961. The next prime is 30022991. The reversal of 30022986 is 68922003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (1541052).

Almost surely, 2^30022986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36985248).

30022986 is an abundant number, since it is smaller than the sum of its proper divisors (43947510).

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

30022986 is a wasteful number, since it uses less digits than its factorization.

30022986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6036 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30022986 is about 5479.3234983892. The cubic root of 30022986 is about 310.8025890540.

Adding to 30022986 its reverse (68922003), we get a palindrome (98944989).

The spelling of 30022986 in words is "thirty million, twenty-two thousand, nine hundred eighty-six".