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84022669 is a prime number
BaseRepresentation
bin1010000001000…
…01010110001101
312212002210102201
411000201112031
5133002211134
612200521501
72040116023
oct500412615
9185083381
1084022669
1143479525
1224180291
131453b373
14b232713
15759a914
hex502158d

84022669 has 2 divisors, whose sum is σ = 84022670. Its totient is φ = 84022668.

The previous prime is 84022663. The next prime is 84022691. The reversal of 84022669 is 96622048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74597769 + 9424900 = 8637^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 84022669 - 25 = 84022637 is a prime.

It is a super-2 number, since 2×840226692 = 14119617811767122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84022663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42011334 + 42011335.

It is an arithmetic number, because the mean of its divisors is an integer number (42011335).

Almost surely, 284022669 is an apocalyptic number.

It is an amenable number.

84022669 is a deficient number, since it is larger than the sum of its proper divisors (1).

84022669 is an equidigital number, since it uses as much as digits as its factorization.

84022669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 84022669 is about 9166.3880018249. The cubic root of 84022669 is about 437.9913070007.

The spelling of 84022669 in words is "eighty-four million, twenty-two thousand, six hundred sixty-nine".