30022989 has 16 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 19307120.

The previous prime is 30022961. The next prime is 30022991. The reversal of 30022989 is 98922003.

It is a cyclic number.

It is not a de Polignac number, because 30022989 - 2¹⁶ = 29957453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022999) 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 15 ways as a sum of consecutive naturals, for example, 8512 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 2^30022989 is an apocalyptic number.

It is an amenable number.

30022989 is a deficient number, since it is larger than the sum of its proper divisors (11449011).

30022989 is a wasteful number, since it uses less digits than its factorization.

30022989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 30022989 is about 5479.3237721456. The cubic root of 30022989 is about 310.8025994061.

The spelling of 30022989 in words is "thirty million, twenty-two thousand, nine hundred eighty-nine".