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2220122022001 = 13170778617077
BaseRepresentation
bin100000010011101001100…
…101011010000001110001
321212020112010021011102121
4200103221211122001301
5242333302214201001
64415524315514241
7316253456551162
oct40235145320161
97766463234377
102220122022001
11786604003a34
122ba336458981
13131483612530
147965113b769
153cb3cc726a1
hex204e995a071

2220122022001 has 4 divisors (see below), whose sum is σ = 2390900639092. Its totient is φ = 2049343404912.

The previous prime is 2220122021993. The next prime is 2220122022011. The reversal of 2220122022001 is 1002202210222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1082057648400 + 1138064373601 = 1040220^2 + 1066801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220122022001 - 23 = 2220122021993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220122022011) 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 in 3 ways as a sum of consecutive naturals, for example, 85389308526 + ... + 85389308551.

It is an arithmetic number, because the mean of its divisors is an integer number (597725159773).

Almost surely, 22220122022001 is an apocalyptic number.

It is an amenable number.

2220122022001 is a deficient number, since it is larger than the sum of its proper divisors (170778617091).

2220122022001 is a wasteful number, since it uses less digits than its factorization.

2220122022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170778617090.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220122022001 its reverse (1002202210222), we get a palindrome (3222324232223).

The spelling of 2220122022001 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, twenty-two thousand, one".

Divisors: 1 13 170778617077 2220122022001