4223540550 has 24 divisors (see below), whose sum is σ = 10474380936. Its totient is φ = 1126277440.

The previous prime is 4223540549. The next prime is 4223540557. The reversal of 4223540550 is 550453224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223540557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14078319 + ... + 14078618.

It is an arithmetic number, because the mean of its divisors is an integer number (436432539).

Almost surely, 2^4223540550 is an apocalyptic number.

4223540550 is an abundant number, since it is smaller than the sum of its proper divisors (6250840386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223540550 is a wasteful number, since it uses less digits than its factorization.

4223540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156952 (or 28156947 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 4223540550 is about 64988.7724918697. The cubic root of 4223540550 is about 1616.4373966626.

Adding to 4223540550 its reverse (550453224), we get a palindrome (4773993774).

The spelling of 4223540550 in words is "four billion, two hundred twenty-three million, five hundred forty thousand, five hundred fifty".