22066325461 has 4 divisors (see below), whose sum is σ = 22128836652. Its totient is φ = 22003814272.

The previous prime is 22066325441. The next prime is 22066325473. The reversal of 22066325461 is 16452366022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7571610225 + 14494715236 = 87015^2 + 120394^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066325461 - 2⁹ = 22066324949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22066325461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066325441) 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 in 3 ways as a sum of consecutive naturals, for example, 31255066 + ... + 31255771.

It is an arithmetic number, because the mean of its divisors is an integer number (5532209163).

Almost surely, 2^22066325461 is an apocalyptic number.

It is an amenable number.

22066325461 is a deficient number, since it is larger than the sum of its proper divisors (62511191).

22066325461 is an equidigital number, since it uses as much as digits as its factorization.

22066325461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62511190.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 22066325461 in words is "twenty-two billion, sixty-six million, three hundred twenty-five thousand, four hundred sixty-one".