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22212301 is a prime number
BaseRepresentation
bin101010010111…
…0111011001101
31112210111112211
41110232323031
521141243201
62112030421
7356541616
oct124567315
945714484
1022212301
11115a1481
127532411
1347a9397
142d42c0d
151e3b651
hex152eecd

22212301 has 2 divisors, whose sum is σ = 22212302. Its totient is φ = 22212300.

The previous prime is 22212299. The next prime is 22212329. The reversal of 22212301 is 10321222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 366025 = 4674^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212301 - 21 = 22212299 is a prime.

Together with 22212299, 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 (22212391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106150 + 11106151.

It is an arithmetic number, because the mean of its divisors is an integer number (11106151).

Almost surely, 222212301 is an apocalyptic number.

It is an amenable number.

22212301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212301 is an equidigital number, since it uses as much as digits as its factorization.

22212301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22212301 is about 4712.9927859058. The cubic root of 22212301 is about 281.1023761247.

Adding to 22212301 its reverse (10321222), we get a palindrome (32533523).

The spelling of 22212301 in words is "twenty-two million, two hundred twelve thousand, three hundred one".