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2022221029 is a prime number
BaseRepresentation
bin111100010001000…
…1010010011100101
312012221011110202011
41320202022103211
513120142033104
6532355114221
7101053411063
oct17042122345
95187143664
102022221029
11948544654
124852a2971
13262c576ba
14152801033
15bc801904
hex7888a4e5

2022221029 has 2 divisors, whose sum is σ = 2022221030. Its totient is φ = 2022221028.

The previous prime is 2022221021. The next prime is 2022221039. The reversal of 2022221029 is 9201222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1935824004 + 86397025 = 43998^2 + 9295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022221029 - 23 = 2022221021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022221021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110514 + 1011110515.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110515).

Almost surely, 22022221029 is an apocalyptic number.

It is an amenable number.

2022221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022221029 is an equidigital number, since it uses as much as digits as its factorization.

2022221029 is an evil number, because the sum of its binary digits is even.

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

The square root of 2022221029 is about 44969.1119436442. Note that the first 3 decimals coincide. The cubic root of 2022221029 is about 1264.5699984646.

The spelling of 2022221029 in words is "two billion, twenty-two million, two hundred twenty-one thousand, twenty-nine".