22066140461 has 2 divisors, whose sum is σ = 22066140462. Its totient is φ = 22066140460.

The previous prime is 22066140431. The next prime is 22066140491. The reversal of 22066140461 is 16404166022.

It is a balanced prime because it is at equal distance from previous prime (22066140431) and next prime (22066140491).

It can be written as a sum of positive squares in only one way, i.e., 11984775625 + 10081364836 = 109475^2 + 100406^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066140461 - 2¹⁰ = 22066139437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066140431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033070230 + 11033070231.

It is an arithmetic number, because the mean of its divisors is an integer number (11033070231).

Almost surely, 2^22066140461 is an apocalyptic number.

It is an amenable number.

22066140461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066140461 is an equidigital number, since it uses as much as digits as its factorization.

22066140461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 22066140461 in words is "twenty-two billion, sixty-six million, one hundred forty thousand, four hundred sixty-one".