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2022195871 is a prime number
BaseRepresentation
bin111100010001000…
…0100001010011111
312012221010012020101
41320202010022133
513120140231441
6532354401531
7101053244533
oct17042041237
95187105211
102022195871
11948527763
124852902a7
13262c49107
141527d5bc3
15bc7e9231
hex7888429f

2022195871 has 2 divisors, whose sum is σ = 2022195872. Its totient is φ = 2022195870.

The previous prime is 2022195863. The next prime is 2022195947. The reversal of 2022195871 is 1785912202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2022195871 - 23 = 2022195863 is a prime.

It is a super-2 number, since 2×20221958712 = 8178552281378897282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2022195871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022195671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011097935 + 1011097936.

It is an arithmetic number, because the mean of its divisors is an integer number (1011097936).

Almost surely, 22022195871 is an apocalyptic number.

2022195871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022195871 is an equidigital number, since it uses as much as digits as its factorization.

2022195871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2022195871 is about 44968.8322174370. The cubic root of 2022195871 is about 1264.5647543652.

It can be divided in two parts, 2022195 and 871, that added together give a triangular number (2023066 = T2011).

The spelling of 2022195871 in words is "two billion, twenty-two million, one hundred ninety-five thousand, eight hundred seventy-one".