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1022401069 is a prime number
BaseRepresentation
bin111100111100001…
…001101000101101
32122020211100121021
4330330021220231
54043213313234
6245241334141
734223160064
oct7474115055
92566740537
101022401069
11485134068
12246497351
13133a81461
1499add1db
155eb589b4
hex3cf09a2d

1022401069 has 2 divisors, whose sum is σ = 1022401070. Its totient is φ = 1022401068.

The previous prime is 1022401043. The next prime is 1022401073. The reversal of 1022401069 is 9601042201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675324169 + 347076900 = 25987^2 + 18630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022401069 - 27 = 1022400941 is a prime.

It is a super-2 number, since 2×10224010692 = 2090607891784685522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022401019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511200534 + 511200535.

It is an arithmetic number, because the mean of its divisors is an integer number (511200535).

Almost surely, 21022401069 is an apocalyptic number.

It is an amenable number.

1022401069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022401069 is an equidigital number, since it uses as much as digits as its factorization.

1022401069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1022401069 is about 31975.0069429234. The cubic root of 1022401069 is about 1007.4119502632.

The spelling of 1022401069 in words is "one billion, twenty-two million, four hundred one thousand, sixty-nine".