2423221546 has 4 divisors (see below), whose sum is σ = 3634832322. Its totient is φ = 1211610772.

The previous prime is 2423221543. The next prime is 2423221571. The reversal of 2423221546 is 6451223242.

2423221546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2228312025 + 194909521 = 47205^2 + 13961^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2423221543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605805385 + ... + 605805388.

Almost surely, 2^2423221546 is an apocalyptic number.

2423221546 is a deficient number, since it is larger than the sum of its proper divisors (1211610776).

2423221546 is a wasteful number, since it uses less digits than its factorization.

2423221546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211610775.

The product of its digits is 23040, while the sum is 31.

The square root of 2423221546 is about 49226.2282325185. The cubic root of 2423221546 is about 1343.1701776627.

Adding to 2423221546 its reverse (6451223242), we get a palindrome (8874444788).

The spelling of 2423221546 in words is "two billion, four hundred twenty-three million, two hundred twenty-one thousand, five hundred forty-six".