Search a number
-
+
22012301 is a prime number
BaseRepresentation
bin101001111111…
…0000110001101
31112102100012102
41103332012031
521113343201
62103444445
7355046543
oct123760615
945370172
1022012301
1111475193
127456725
13473933c
142ccdd93
151dec26b
hex14fe18d

22012301 has 2 divisors, whose sum is σ = 22012302. Its totient is φ = 22012300.

The previous prime is 22012273. The next prime is 22012303. The reversal of 22012301 is 10321022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 203401 = 4670^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012301 - 214 = 21995917 is a prime.

Together with 22012303, 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 (22012303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006150 + 11006151.

It is an arithmetic number, because the mean of its divisors is an integer number (11006151).

Almost surely, 222012301 is an apocalyptic number.

It is an amenable number.

22012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012301 is an equidigital number, since it uses as much as digits as its factorization.

22012301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22012301 is about 4691.7268675830. The cubic root of 22012301 is about 280.2561474045.

Adding to 22012301 its reverse (10321022), we get a palindrome (32333323).

It can be divided in two parts, 220 and 12301, that added together give a palindrome (12521).

The spelling of 22012301 in words is "twenty-two million, twelve thousand, three hundred one".