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22133222213 is a prime number
BaseRepresentation
bin10100100111001111…
…100010101101000101
32010010111120011222212
4110213033202231011
5330312101102323
614100131433205
71412324166434
oct244717425505
963114504885
1022133222213
119428699493
124358455805
1321196282bb
1410dd73d11b
15898196b78
hex5273e2b45

22133222213 has 2 divisors, whose sum is σ = 22133222214. Its totient is φ = 22133222212.

The previous prime is 22133222203. The next prime is 22133222231. The reversal of 22133222213 is 31222233122.

Together with next prime (22133222231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14888148289 + 7245073924 = 122017^2 + 85118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22133222213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22133222203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066611106 + 11066611107.

It is an arithmetic number, because the mean of its divisors is an integer number (11066611107).

Almost surely, 222133222213 is an apocalyptic number.

It is an amenable number.

22133222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22133222213 is an equidigital number, since it uses as much as digits as its factorization.

22133222213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

Adding to 22133222213 its reverse (31222233122), we get a palindrome (53355455335).

The spelling of 22133222213 in words is "twenty-two billion, one hundred thirty-three million, two hundred twenty-two thousand, two hundred thirteen".