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122333231 is a prime number
BaseRepresentation
bin1110100101010…
…10100000101111
322112012011122102
413102222200233
5222304130411
620050005315
73013546436
oct722524057
9275164572
10122333231
1163065849
1234b7683b
131c462c37
141236611d
15ab16d3b
hex74aa82f

122333231 has 2 divisors, whose sum is σ = 122333232. Its totient is φ = 122333230.

The previous prime is 122333221. The next prime is 122333261. The reversal of 122333231 is 132333221.

It is a weak prime.

It is an emirp because it is prime and its reverse (132333221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122333231 - 214 = 122316847 is a prime.

It is a super-2 number, since 2×1223332312 = 29930838813798722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122333221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61166615 + 61166616.

It is an arithmetic number, because the mean of its divisors is an integer number (61166616).

Almost surely, 2122333231 is an apocalyptic number.

122333231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122333231 is an equidigital number, since it uses as much as digits as its factorization.

122333231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 122333231 is about 11060.4353892602. The cubic root of 122333231 is about 496.4187180823.

Adding to 122333231 its reverse (132333221), we get a palindrome (254666452).

The spelling of 122333231 in words is "one hundred twenty-two million, three hundred thirty-three thousand, two hundred thirty-one".