4244220377 has 4 divisors (see below), whose sum is σ = 4283886096. Its totient is φ = 4204554660.

The previous prime is 4244220373. The next prime is 4244220389. The reversal of 4244220377 is 7730224424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4244220377 - 2² = 4244220373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244220373) 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, 19832699 + ... + 19832912.

It is an arithmetic number, because the mean of its divisors is an integer number (1070971524).

Almost surely, 2^4244220377 is an apocalyptic number.

It is an amenable number.

4244220377 is a deficient number, since it is larger than the sum of its proper divisors (39665719).

4244220377 is a wasteful number, since it uses less digits than its factorization.

4244220377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39665718.

The product of its (nonzero) digits is 75264, while the sum is 35.

The square root of 4244220377 is about 65147.6812864433. The cubic root of 4244220377 is about 1619.0713034295.

The spelling of 4244220377 in words is "four billion, two hundred forty-four million, two hundred twenty thousand, three hundred seventy-seven".