22246686377 has 4 divisors (see below), whose sum is σ = 22290393540. Its totient is φ = 22202979216.

The previous prime is 22246686367. The next prime is 22246686401. The reversal of 22246686377 is 77368664222.

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 16949175721 + 5297510656 = 130189^2 + 72784^2 .

It is a cyclic number.

It is not a de Polignac number, because 22246686377 - 2¹⁰ = 22246685353 is a prime.

It is a super-2 number, since 2×22246686377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22246686307) 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, 21852818 + ... + 21853835.

It is an arithmetic number, because the mean of its divisors is an integer number (5572598385).

Almost surely, 2^22246686377 is an apocalyptic number.

It is an amenable number.

22246686377 is a deficient number, since it is larger than the sum of its proper divisors (43707163).

22246686377 is an equidigital number, since it uses as much as digits as its factorization.

22246686377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43707162.

The product of its digits is 8128512, while the sum is 53.

The spelling of 22246686377 in words is "twenty-two billion, two hundred forty-six million, six hundred eighty-six thousand, three hundred seventy-seven".