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3320220181 is a prime number
BaseRepresentation
bin1100010111100110…
…1000101000010101
322120101120122211211
43011321220220111
523244434021211
61305243501421
7145164256135
oct30571505025
98511518754
103320220181
1114541a5623
12787b27871
1340bb41a35
14236d60ac5
15146748e21
hexc5e68a15

3320220181 has 2 divisors, whose sum is σ = 3320220182. Its totient is φ = 3320220180.

The previous prime is 3320220161. The next prime is 3320220229. The reversal of 3320220181 is 1810220233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3316723281 + 3496900 = 57591^2 + 1870^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320220181 - 25 = 3320220149 is a prime.

It is a super-2 number, since 2×33202201812 = 22047724100639345522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3320220161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660110090 + 1660110091.

It is an arithmetic number, because the mean of its divisors is an integer number (1660110091).

Almost surely, 23320220181 is an apocalyptic number.

It is an amenable number.

3320220181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320220181 is an equidigital number, since it uses as much as digits as its factorization.

3320220181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3320220181 is about 57621.3517803947. The cubic root of 3320220181 is about 1491.8401631238.

The spelling of 3320220181 in words is "three billion, three hundred twenty million, two hundred twenty thousand, one hundred eighty-one".