Search a number
-
+
22800949 is a prime number
BaseRepresentation
bin101011011111…
…0101000110101
31120220102000121
41112332220311
521314112244
62132411541
7364543033
oct126765065
946812017
1022800949
1111963766
127776bb1
1349542b2
143057553
152005c84
hex15bea35

22800949 has 2 divisors, whose sum is σ = 22800950. Its totient is φ = 22800948.

The previous prime is 22800941. The next prime is 22800959. The reversal of 22800949 is 94900822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 324 = 4775^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 22800949 - 23 = 22800941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22800941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11400474 + 11400475.

It is an arithmetic number, because the mean of its divisors is an integer number (11400475).

Almost surely, 222800949 is an apocalyptic number.

It is an amenable number.

22800949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22800949 is an equidigital number, since it uses as much as digits as its factorization.

22800949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22800949 is about 4775.0339265810. The cubic root of 22800949 is about 283.5639219365.

The spelling of 22800949 in words is "twenty-two million, eight hundred thousand, nine hundred forty-nine".