22148404243 has 8 divisors (see below), whose sum is σ = 26128993280. Its totient is φ = 18371948040.

The previous prime is 22148404237. The next prime is 22148404249. The reversal of 22148404243 is 34240484122.

It is an interprime number because it is at equal distance from previous prime (22148404237) and next prime (22148404249).

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

It is a cyclic number.

It is not a de Polignac number, because 22148404243 - 2⁹ = 22148403731 is a prime.

It is a super-2 number, since 2×22148404243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22148404199 and 22148404208.

It is not an unprimeable number, because it can be changed into a prime (22148404249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51032973 + ... + 51033406.

It is an arithmetic number, because the mean of its divisors is an integer number (3266124160).

Almost surely, 2^22148404243 is an apocalyptic number.

22148404243 is a deficient number, since it is larger than the sum of its proper divisors (3980589037).

22148404243 is a wasteful number, since it uses less digits than its factorization.

22148404243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102066417.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 22148404243 its reverse (34240484122), we get a palindrome (56388888365).

The spelling of 22148404243 in words is "twenty-two billion, one hundred forty-eight million, four hundred four thousand, two hundred forty-three".