22243512551 has 8 divisors (see below), whose sum is σ = 23970725520. Its totient is φ = 20518610112.

The previous prime is 22243512547. The next prime is 22243512593. The reversal of 22243512551 is 15521534222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22243512551 - 2² = 22243512547 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 (22243532551) 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 7 ways as a sum of consecutive naturals, for example, 557606 + ... + 596163.

It is an arithmetic number, because the mean of its divisors is an integer number (2996340690).

Almost surely, 2^22243512551 is an apocalyptic number.

22243512551 is a deficient number, since it is larger than the sum of its proper divisors (1727212969).

22243512551 is a wasteful number, since it uses less digits than its factorization.

22243512551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155265.

The product of its digits is 24000, while the sum is 32.

The spelling of 22243512551 in words is "twenty-two billion, two hundred forty-three million, five hundred twelve thousand, five hundred fifty-one".