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1022421133 is a prime number
BaseRepresentation
bin111100111100001…
…110100010001101
32122020212101010101
4330330032202031
54043214434013
6245242011101
734223302426
oct7474164215
92566771111
101022421133
11485148148
122464a6a91
13133a8a626
1499b0664d
155eb5e8dd
hex3cf0e88d

1022421133 has 2 divisors, whose sum is σ = 1022421134. Its totient is φ = 1022421132.

The previous prime is 1022421131. The next prime is 1022421143. The reversal of 1022421133 is 3311242201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866595844 + 155825289 = 29438^2 + 12483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022421133 - 21 = 1022421131 is a prime.

Together with 1022421131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1022421133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022421131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511210566 + 511210567.

It is an arithmetic number, because the mean of its divisors is an integer number (511210567).

Almost surely, 21022421133 is an apocalyptic number.

It is an amenable number.

1022421133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022421133 is an equidigital number, since it uses as much as digits as its factorization.

1022421133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1022421133 is about 31975.3206864294. The cubic root of 1022421133 is about 1007.4185401693.

Adding to 1022421133 its reverse (3311242201), we get a palindrome (4333663334).

The spelling of 1022421133 in words is "one billion, twenty-two million, four hundred twenty-one thousand, one hundred thirty-three".