3944277223 has 4 divisors (see below), whose sum is σ = 3951283608. Its totient is φ = 3937270840.

The previous prime is 3944277217. The next prime is 3944277251. The reversal of 3944277223 is 3227724493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3944277223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3944277223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944274223) 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, 3502348 + ... + 3503473.

It is an arithmetic number, because the mean of its divisors is an integer number (987820902).

Almost surely, 2^3944277223 is an apocalyptic number.

3944277223 is a deficient number, since it is larger than the sum of its proper divisors (7006385).

3944277223 is an equidigital number, since it uses as much as digits as its factorization.

3944277223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006384.

The product of its digits is 508032, while the sum is 43.

The square root of 3944277223 is about 62803.4809783662. The cubic root of 3944277223 is about 1579.9953563662.

The spelling of 3944277223 in words is "three billion, nine hundred forty-four million, two hundred seventy-seven thousand, two hundred twenty-three".