22304052277 has 4 divisors (see below), whose sum is σ = 24019748620. Its totient is φ = 20588355936.

The previous prime is 22304052263. The next prime is 22304052283. The reversal of 22304052277 is 77225040322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77225040322 = 2 ⋅38612520161.

It can be written as a sum of positive squares in 2 ways, for example, as 10711008036 + 11593044241 = 103494^2 + 107671^2 .

It is a cyclic number.

It is not a de Polignac number, because 22304052277 - 2²³ = 22295663669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304052217) 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, 857848152 + ... + 857848177.

It is an arithmetic number, because the mean of its divisors is an integer number (6004937155).

Almost surely, 2^22304052277 is an apocalyptic number.

It is an amenable number.

22304052277 is a deficient number, since it is larger than the sum of its proper divisors (1715696343).

22304052277 is a wasteful number, since it uses less digits than its factorization.

22304052277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715696342.

The product of its (nonzero) digits is 47040, while the sum is 34.

Adding to 22304052277 its reverse (77225040322), we get a palindrome (99529092599).

The spelling of 22304052277 in words is "twenty-two billion, three hundred four million, fifty-two thousand, two hundred seventy-seven".