22513248547 has 4 divisors (see below), whose sum is σ = 22561457256. Its totient is φ = 22465039840.

The previous prime is 22513248533. The next prime is 22513248559. The reversal of 22513248547 is 74584231522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74584231522 = 2 ⋅37292115761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22513248547 is a prime.

It is a super-2 number, since 2×22513248547² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22513248577) 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, 24103654 + ... + 24104587.

It is an arithmetic number, because the mean of its divisors is an integer number (5640364314).

Almost surely, 2^22513248547 is an apocalyptic number.

22513248547 is a deficient number, since it is larger than the sum of its proper divisors (48208709).

22513248547 is an equidigital number, since it uses as much as digits as its factorization.

22513248547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48208708.

The product of its digits is 537600, while the sum is 43.

The spelling of 22513248547 in words is "twenty-two billion, five hundred thirteen million, two hundred forty-eight thousand, five hundred forty-seven".