22453117477 has 16 divisors (see below), whose sum is σ = 26812569600. Its totient is φ = 18383892912.

The previous prime is 22453117471. The next prime is 22453117501. The reversal of 22453117477 is 77471135422.

It is a de Polignac number, because none of the positive numbers 2^k-22453117477 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 (22453117471) 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 15 ways as a sum of consecutive naturals, for example, 25774 + ... + 213472.

It is an arithmetic number, because the mean of its divisors is an integer number (1675785600).

Almost surely, 2^22453117477 is an apocalyptic number.

It is an amenable number.

22453117477 is a deficient number, since it is larger than the sum of its proper divisors (4359452123).

22453117477 is a wasteful number, since it uses less digits than its factorization.

22453117477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188472.

The product of its digits is 329280, while the sum is 43.

The spelling of 22453117477 in words is "twenty-two billion, four hundred fifty-three million, one hundred seventeen thousand, four hundred seventy-seven".