22830149 has 2 divisors, whose sum is σ = 22830150. Its totient is φ = 22830148.

The previous prime is 22830127. The next prime is 22830151. The reversal of 22830149 is 94103822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 11222500 = 3407^2 + 3350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22830149 is a prime.

Together with 22830151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22830169) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11415074 + 11415075.

It is an arithmetic number, because the mean of its divisors is an integer number (11415075).

Almost surely, 2^22830149 is an apocalyptic number.

It is an amenable number.

22830149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22830149 is an equidigital number, since it uses as much as digits as its factorization.

22830149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22830149 is about 4778.0905181882. The cubic root of 22830149 is about 283.6849188654.

The spelling of 22830149 in words is "twenty-two million, eight hundred thirty thousand, one hundred forty-nine".