4421955 has 16 divisors (see below), whose sum is σ = 7491744. Its totient is φ = 2219520.

The previous prime is 4421953. The next prime is 4421971. The reversal of 4421955 is 5591244.

It is not a de Polignac number, because 4421955 - 2¹ = 4421953 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8416 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (468234).

Almost surely, 2^4421955 is an apocalyptic number.

4421955 is a deficient number, since it is larger than the sum of its proper divisors (3069789).

4421955 is a wasteful number, since it uses less digits than its factorization.

4421955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17366.

The product of its digits is 7200, while the sum is 30.

The square root of 4421955 is about 2102.8445020971. The cubic root of 4421955 is about 164.1363505164.

The spelling of 4421955 in words is "four million, four hundred twenty-one thousand, nine hundred fifty-five".