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2220220201973 is a prime number
BaseRepresentation
bin100000010011101111011…
…011111011101111110101
321212020202222000020000212
4200103233123323233311
5242334002332430343
64415542144115205
7316256061223154
oct40235733735765
97766688006025
102220220201973
11786654472004
122ba363305b05
1313149aa697a7
14796601b759b
153cb466b7c18
hex204ef6fbbf5

2220220201973 has 2 divisors, whose sum is σ = 2220220201974. Its totient is φ = 2220220201972.

The previous prime is 2220220201943. The next prime is 2220220201987. The reversal of 2220220201973 is 3791020220222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085014705764 + 135205496209 = 1443958^2 + 367703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220220201973 - 26 = 2220220201909 is a prime.

It is a super-3 number, since 3×22202202019733 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220220201943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110100986 + 1110110100987.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110100987).

Almost surely, 22220220201973 is an apocalyptic number.

It is an amenable number.

2220220201973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220220201973 is an equidigital number, since it uses as much as digits as its factorization.

2220220201973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 2220220201973 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred seventy-three".