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222213012331 is a prime number
BaseRepresentation
bin1100111011110011101…
…1010111101101101011
3210020120101222121221211
43032330323113231223
512120043012343311
6250025552013551
722024434303622
oct3167473275553
9706511877854
10222213012331
11862704a8132
12370968312b7
1317c5433315b
14aa802706b9
155ba862c821
hex33bced7b6b

222213012331 has 2 divisors, whose sum is σ = 222213012332. Its totient is φ = 222213012330.

The previous prime is 222213012317. The next prime is 222213012341. The reversal of 222213012331 is 133210312222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222213012331 - 25 = 222213012299 is a prime.

It is a super-2 number, since 2×2222130123312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222213012341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106506165 + 111106506166.

It is an arithmetic number, because the mean of its divisors is an integer number (111106506166).

Almost surely, 2222213012331 is an apocalyptic number.

222213012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222213012331 is an equidigital number, since it uses as much as digits as its factorization.

222213012331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222213012331 its reverse (133210312222), we get a palindrome (355423324553).

The spelling of 222213012331 in words is "two hundred twenty-two billion, two hundred thirteen million, twelve thousand, three hundred thirty-one".