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2232220349 is a prime number
BaseRepresentation
bin1000010100001100…
…1111101010111101
312202120022112122202
42011003033222331
514032422022344
61005300121245
7106213363022
oct20503175275
95676275582
102232220349
11a46037207
12523696225
13297603158
14172667549
15d0e8394e
hex850cfabd

2232220349 has 2 divisors, whose sum is σ = 2232220350. Its totient is φ = 2232220348.

The previous prime is 2232220327. The next prime is 2232220351. The reversal of 2232220349 is 9430222322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2180236249 + 51984100 = 46693^2 + 7210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232220349 - 28 = 2232220093 is a prime.

It is a super-3 number, since 3×22322203493 (a number of 29 digits) contains 333 as substring.

Together with 2232220351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232225349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116110174 + 1116110175.

It is an arithmetic number, because the mean of its divisors is an integer number (1116110175).

Almost surely, 22232220349 is an apocalyptic number.

It is an amenable number.

2232220349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232220349 is an equidigital number, since it uses as much as digits as its factorization.

2232220349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2232220349 is about 47246.3792157664. The cubic root of 2232220349 is about 1306.9100198029.

The spelling of 2232220349 in words is "two billion, two hundred thirty-two million, two hundred twenty thousand, three hundred forty-nine".