Search a number
-
+
2210221222201 is a prime number
BaseRepresentation
bin100000001010011011011…
…100110110100100111001
321211021222010011102101201
4200022123130312210321
5242203013113102301
64411210035214201
7315453225260506
oct40123334664471
97737863142351
102210221222201
11782393294563
122b8432747361
13130566348805
1478d9223c4ad
153c75d95c201
hex2029b736939

2210221222201 has 2 divisors, whose sum is σ = 2210221222202. Its totient is φ = 2210221222200.

The previous prime is 2210221222163. The next prime is 2210221222229. The reversal of 2210221222201 is 1022221220122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2180214668025 + 30006554176 = 1476555^2 + 173224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210221222201 - 217 = 2210221091129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210221222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105110611100 + 1105110611101.

It is an arithmetic number, because the mean of its divisors is an integer number (1105110611101).

Almost surely, 22210221222201 is an apocalyptic number.

It is an amenable number.

2210221222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210221222201 is an equidigital number, since it uses as much as digits as its factorization.

2210221222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2210221222201 its reverse (1022221220122), we get a palindrome (3232442442323).

The spelling of 2210221222201 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".