30022189 has 2 divisors, whose sum is σ = 30022190. Its totient is φ = 30022188.

The previous prime is 30022183. The next prime is 30022253. The reversal of 30022189 is 98122003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29484900 + 537289 = 5430^2 + 733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30022189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30022183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011094 + 15011095.

It is an arithmetic number, because the mean of its divisors is an integer number (15011095).

Almost surely, 2^30022189 is an apocalyptic number.

It is an amenable number.

30022189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022189 is an equidigital number, since it uses as much as digits as its factorization.

30022189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30022189 is about 5479.2507699502. The cubic root of 30022189 is about 310.7998388073.

The spelling of 30022189 in words is "thirty million, twenty-two thousand, one hundred eighty-nine".