22143124546 has 8 divisors (see below), whose sum is σ = 35168491980. Its totient is φ = 10420293888.

The previous prime is 22143124541. The next prime is 22143124547. The reversal of 22143124546 is 64542134122.

It can be written as a sum of positive squares in 2 ways, for example, as 21192080625 + 951043921 = 145575^2 + 30839^2 .

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

It is a super-2 number, since 2×22143124546² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 651268369 = 22143124546 / (2 + 2 + 1 + 4 + 3 + 1 + 2 + 4 + 5 + 4 + 6).

It is not an unprimeable number, because it can be changed into a prime (22143124541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325634151 + ... + 325634218.

Almost surely, 2^22143124546 is an apocalyptic number.

22143124546 is a deficient number, since it is larger than the sum of its proper divisors (13025367434).

22143124546 is a wasteful number, since it uses less digits than its factorization.

22143124546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651268388.

The product of its digits is 46080, while the sum is 34.

Adding to 22143124546 its reverse (64542134122), we get a palindrome (86685258668).

It can be divided in two parts, 22143 and 124546, that added together give a square (146689 = 383²).

The spelling of 22143124546 in words is "twenty-two billion, one hundred forty-three million, one hundred twenty-four thousand, five hundred forty-six".