4420223251 has 4 divisors (see below), whose sum is σ = 4652866600. Its totient is φ = 4187579904.

The previous prime is 4420223233. The next prime is 4420223273. The reversal of 4420223251 is 1523220244.

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 4420223251 - 2⁹ = 4420222739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420223221) 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, 116321646 + ... + 116321683.

It is an arithmetic number, because the mean of its divisors is an integer number (1163216650).

Almost surely, 2^4420223251 is an apocalyptic number.

4420223251 is a deficient number, since it is larger than the sum of its proper divisors (232643349).

4420223251 is a wasteful number, since it uses less digits than its factorization.

4420223251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232643348.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4420223251 is about 66484.7595393110. The cubic root of 4420223251 is about 1641.1492107513.

Adding to 4420223251 its reverse (1523220244), we get a palindrome (5943443495).

The spelling of 4420223251 in words is "four billion, four hundred twenty million, two hundred twenty-three thousand, two hundred fifty-one".