4219444 has 24 divisors (see below), whose sum is σ = 7912800. Its totient is φ = 1962720.

The previous prime is 4219429. The next prime is 4219447. The reversal of 4219444 is 4449124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (329700).

Almost surely, 2^4219444 is an apocalyptic number.

It is an amenable number.

4219444 is a deficient number, since it is larger than the sum of its proper divisors (3693356).

4219444 is a wasteful number, since it uses less digits than its factorization.

4219444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 4219444 is about 2054.1285256770. The cubic root of 4219444 is about 161.5914615787.

The spelling of 4219444 in words is "four million, two hundred nineteen thousand, four hundred forty-four".