Search a number
-
+
202221022079 is a prime number
BaseRepresentation
bin1011110001010101001…
…1111110101101111111
3201022222010112022000102
42330111103332231333
511303122040201304
6232522110151315
720416140220016
oct2742523765577
9638863468012
10202221022079
1178841549a3a
12332374b253b
13160b950121b
149b05071a7d
1553d8444d1e
hex2f154feb7f

202221022079 has 2 divisors, whose sum is σ = 202221022080. Its totient is φ = 202221022078.

The previous prime is 202221022061. The next prime is 202221022127. The reversal of 202221022079 is 970220122202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202221022079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202221022049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110511039 + 101110511040.

It is an arithmetic number, because the mean of its divisors is an integer number (101110511040).

Almost surely, 2202221022079 is an apocalyptic number.

202221022079 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221022079 is an equidigital number, since it uses as much as digits as its factorization.

202221022079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 202221022079 in words is "two hundred two billion, two hundred twenty-one million, twenty-two thousand, seventy-nine".