4220251223 has 4 divisors (see below), whose sum is σ = 4220471568. Its totient is φ = 4220030880.

The previous prime is 4220251219. The next prime is 4220251313. The reversal of 4220251223 is 3221520224.

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

It is a cyclic number.

It is not a de Polignac number, because 4220251223 - 2² = 4220251219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220259223) 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, 78386 + ... + 120767.

It is an arithmetic number, because the mean of its divisors is an integer number (1055117892).

Almost surely, 2^4220251223 is an apocalyptic number.

4220251223 is a deficient number, since it is larger than the sum of its proper divisors (220345).

4220251223 is a wasteful number, since it uses less digits than its factorization.

4220251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220344.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4220251223 is about 64963.4606759831. The cubic root of 4220251223 is about 1616.0176562409.

Adding to 4220251223 its reverse (3221520224), we get a palindrome (7441771447).

The spelling of 4220251223 in words is "four billion, two hundred twenty million, two hundred fifty-one thousand, two hundred twenty-three".