22386309453 has 6 divisors (see below), whose sum is σ = 32335780334. Its totient is φ = 14924206296.

The previous prime is 22386309433. The next prime is 22386309481. The reversal of 22386309453 is 35490368322.

22386309453 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 630 + 9 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14550873129 + 7835436324 = 120627^2 + 88518^2 .

It is not a de Polignac number, because 22386309453 - 2¹⁰ = 22386308429 is a prime.

It is a super-2 number, since 2×22386309453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22386309399 and 22386309408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22386309433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1243683850 + ... + 1243683867.

Almost surely, 2^22386309453 is an apocalyptic number.

It is an amenable number.

22386309453 is a deficient number, since it is larger than the sum of its proper divisors (9949470881).

22386309453 is a wasteful number, since it uses less digits than its factorization.

22386309453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487367723 (or 2487367720 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 22386309453 in words is "twenty-two billion, three hundred eighty-six million, three hundred nine thousand, four hundred fifty-three".