22043387146481 has 2 divisors, whose sum is σ = 22043387146482. Its totient is φ = 22043387146480.

The previous prime is 22043387146477. The next prime is 22043387146483. The reversal of 22043387146481 is 18464178334022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20238706575025 + 1804680571456 = 4498745^2 + 1343384^2 .

It is a cyclic number.

It is not a de Polignac number, because 22043387146481 - 2² = 22043387146477 is a prime.

It is a super-3 number, since 3×22043387146481³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 22043387146483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22043387146483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021693573240 + 11021693573241.

It is an arithmetic number, because the mean of its divisors is an integer number (11021693573241).

Almost surely, 2^{22043387146481} is an apocalyptic number.

It is an amenable number.

22043387146481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22043387146481 is an equidigital number, since it uses as much as digits as its factorization.

22043387146481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 22043387146481 in words is "twenty-two trillion, forty-three billion, three hundred eighty-seven million, one hundred forty-six thousand, four hundred eighty-one".