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22102201237 is a prime number
BaseRepresentation
bin10100100101011001…
…001101001110010101
32010001100012011012211
4110211121031032111
5330231130414422
614053102513421
71411466416324
oct244531151625
963040164184
1022102201237
119412130a16
124349b95871
1321130866ac
1410d95860bb
158955ba577
hex52564d395

22102201237 has 2 divisors, whose sum is σ = 22102201238. Its totient is φ = 22102201236.

The previous prime is 22102201217. The next prime is 22102201241. The reversal of 22102201237 is 73210220122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18980297361 + 3121903876 = 137769^2 + 55874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22102201237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102201207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051100618 + 11051100619.

It is an arithmetic number, because the mean of its divisors is an integer number (11051100619).

Almost surely, 222102201237 is an apocalyptic number.

It is an amenable number.

22102201237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102201237 is an equidigital number, since it uses as much as digits as its factorization.

22102201237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 22102201237 its reverse (73210220122), we get a palindrome (95312421359).

The spelling of 22102201237 in words is "twenty-two billion, one hundred two million, two hundred one thousand, two hundred thirty-seven".