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21442023402227 is a prime number
BaseRepresentation
bin1001110000000010111000…
…01100000010101011110011
32210220211121110220022200022
410320001130030002223303
510302301230442332402
6113334155104114055
74342064220503411
oct470013414025363
983824543808608
1021442023402227
11691756924440a
1224a373630592b
13bc6c8821c38c
14541b29a622b1
15272b524642a2
hex13805c302af3

21442023402227 has 2 divisors, whose sum is σ = 21442023402228. Its totient is φ = 21442023402226.

The previous prime is 21442023402047. The next prime is 21442023402281. The reversal of 21442023402227 is 72220432024412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21442023402227 - 238 = 21167145495283 is a prime.

It is not a weakly prime, because it can be changed into another prime (21442023402287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10721011701113 + 10721011701114.

It is an arithmetic number, because the mean of its divisors is an integer number (10721011701114).

Almost surely, 221442023402227 is an apocalyptic number.

21442023402227 is a deficient number, since it is larger than the sum of its proper divisors (1).

21442023402227 is an equidigital number, since it uses as much as digits as its factorization.

21442023402227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 21442023402227 its reverse (72220432024412), we get a palindrome (93662455426639).

The spelling of 21442023402227 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred two thousand, two hundred twenty-seven".