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1220022392471 is a prime number
BaseRepresentation
bin10001110000001111000…
…000000101011010010111
311022122002110101000220222
4101300033000011122113
5124442101213024341
62332245345544555
7154100202142061
oct21601700053227
94278073330828
101220022392471
1143045491a993
1217854704515b
138b080802a0c
144309979c731
1521b078cb44b
hex11c0f005697

1220022392471 has 2 divisors, whose sum is σ = 1220022392472. Its totient is φ = 1220022392470.

The previous prime is 1220022392461. The next prime is 1220022392483. The reversal of 1220022392471 is 1742932200221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1742932200221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220022392471 is a prime.

It is a super-3 number, since 3×12200223924713 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220022392461) 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, 610011196235 + 610011196236.

It is an arithmetic number, because the mean of its divisors is an integer number (610011196236).

Almost surely, 21220022392471 is an apocalyptic number.

1220022392471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220022392471 is an equidigital number, since it uses as much as digits as its factorization.

1220022392471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 1220022392471 its reverse (1742932200221), we get a palindrome (2962954592692).

The spelling of 1220022392471 in words is "one trillion, two hundred twenty billion, twenty-two million, three hundred ninety-two thousand, four hundred seventy-one".