Search a number
-
+
22330949 is a prime number
BaseRepresentation
bin101010100101…
…1111001000101
31120000112022012
41111023321011
521204042244
62114344005
7360544544
oct125137105
946015265
1022330949
1111672633
12758b005
13481b3a4
142d7415b
151e6189e
hex154be45

22330949 has 2 divisors, whose sum is σ = 22330950. Its totient is φ = 22330948.

The previous prime is 22330921. The next prime is 22330951. The reversal of 22330949 is 94903322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14025025 + 8305924 = 3745^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330949 - 212 = 22326853 is a prime.

Together with 22330951, 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 (22330249) 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 as a sum of consecutive naturals, namely, 11165474 + 11165475.

It is an arithmetic number, because the mean of its divisors is an integer number (11165475).

Almost surely, 222330949 is an apocalyptic number.

It is an amenable number.

22330949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22330949 is an equidigital number, since it uses as much as digits as its factorization.

22330949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 22330949 is about 4725.5633526597. The cubic root of 22330949 is about 281.6019945744.

The spelling of 22330949 in words is "twenty-two million, three hundred thirty thousand, nine hundred forty-nine".