4423221254 has 4 divisors (see below), whose sum is σ = 6634831884. Its totient is φ = 2211610626.

The previous prime is 4423221251. The next prime is 4423221289. The reversal of 4423221254 is 4521223244.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423221251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105805312 + ... + 1105805315.

It is an arithmetic number, because the mean of its divisors is an integer number (1658707971).

Almost surely, 2^4423221254 is an apocalyptic number.

4423221254 is a deficient number, since it is larger than the sum of its proper divisors (2211610630).

4423221254 is a wasteful number, since it uses less digits than its factorization.

4423221254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211610629.

The product of its digits is 15360, while the sum is 29.

The square root of 4423221254 is about 66507.3022607292. The cubic root of 4423221254 is about 1641.5201617217.

Adding to 4423221254 its reverse (4521223244), we get a palindrome (8944444498).

The spelling of 4423221254 in words is "four billion, four hundred twenty-three million, two hundred twenty-one thousand, two hundred fifty-four".