22351147061 has 4 divisors (see below), whose sum is σ = 23121876300. Its totient is φ = 21580417824.

The previous prime is 22351147051. The next prime is 22351147111. The reversal of 22351147061 is 16074115322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16074115322 = 2 ⋅8037057661.

It can be written as a sum of positive squares in 2 ways, for example, as 16771804036 + 5579343025 = 129506^2 + 74695^2 .

It is a cyclic number.

It is not a de Polignac number, because 22351147061 - 2¹⁴ = 22351130677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351147051) 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, 385364576 + ... + 385364633.

It is an arithmetic number, because the mean of its divisors is an integer number (5780469075).

Almost surely, 2^22351147061 is an apocalyptic number.

It is an amenable number.

22351147061 is a deficient number, since it is larger than the sum of its proper divisors (770729239).

22351147061 is an equidigital number, since it uses as much as digits as its factorization.

22351147061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770729238.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 22351147061 in words is "twenty-two billion, three hundred fifty-one million, one hundred forty-seven thousand, sixty-one".