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2122196231 is a prime number
BaseRepresentation
bin111111001111110…
…0010010100000111
312110220021201221102
41332133202110013
513321240234411
6550330010315
7103406241011
oct17637422407
95426251842
102122196231
11999a19491
124b287699b
1327a88cb1c
14161bc71b1
15c649dd3b
hex7e7e2507

2122196231 has 2 divisors, whose sum is σ = 2122196232. Its totient is φ = 2122196230.

The previous prime is 2122196147. The next prime is 2122196281. The reversal of 2122196231 is 1326912212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122196231 is a prime.

It is a super-2 number, since 2×21221962312 = 9007433685741210722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122196194 and 2122196203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122196281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061098115 + 1061098116.

It is an arithmetic number, because the mean of its divisors is an integer number (1061098116).

Almost surely, 22122196231 is an apocalyptic number.

2122196231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122196231 is an equidigital number, since it uses as much as digits as its factorization.

2122196231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 2122196231 is about 46067.3011039284. The cubic root of 2122196231 is about 1285.0751127698.

The spelling of 2122196231 in words is "two billion, one hundred twenty-two million, one hundred ninety-six thousand, two hundred thirty-one".