22077485653 has 4 divisors (see below), whose sum is σ = 22085519500. Its totient is φ = 22069451808.

The previous prime is 22077485641. The next prime is 22077485669. The reversal of 22077485653 is 35658477022.

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 8124678769 + 13952806884 = 90137^2 + 118122^2 .

It is a cyclic number.

It is not a de Polignac number, because 22077485653 - 2⁵ = 22077485621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22077485597 and 22077485606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22077485623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012800 + ... + 4018297.

It is an arithmetic number, because the mean of its divisors is an integer number (5521379875).

Almost surely, 2^22077485653 is an apocalyptic number.

It is an amenable number.

22077485653 is a deficient number, since it is larger than the sum of its proper divisors (8033847).

22077485653 is an equidigital number, since it uses as much as digits as its factorization.

22077485653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033846.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 22077485653 in words is "twenty-two billion, seventy-seven million, four hundred eighty-five thousand, six hundred fifty-three".