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22107342949 is a prime number
BaseRepresentation
bin10100100101101100…
…110100100001100101
32010001200212101022121
4110211230310201211
5330233434433244
614053405025541
71411561212616
oct244554644145
963050771277
1022107342949
119415022a6a
12434b8552b1
132114166b23
1410da123c0d
15895c83c84
hex525b34865

22107342949 has 2 divisors, whose sum is σ = 22107342950. Its totient is φ = 22107342948.

The previous prime is 22107342919. The next prime is 22107343019. The reversal of 22107342949 is 94924370122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14537124900 + 7570218049 = 120570^2 + 87007^2 .

It is a cyclic number.

It is not a de Polignac number, because 22107342949 - 213 = 22107334757 is a prime.

It is a super-2 number, since 2×221073429492 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22107342919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053671474 + 11053671475.

It is an arithmetic number, because the mean of its divisors is an integer number (11053671475).

Almost surely, 222107342949 is an apocalyptic number.

It is an amenable number.

22107342949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22107342949 is an equidigital number, since it uses as much as digits as its factorization.

22107342949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 22107342949 in words is "twenty-two billion, one hundred seven million, three hundred forty-two thousand, nine hundred forty-nine".