22019441 has 8 divisors (see below), whose sum is σ = 23065344. Its totient is φ = 20980960.

The previous prime is 22019429. The next prime is 22019467. The reversal of 22019441 is 14491022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22019441 - 2⁶ = 22019377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22019411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 8166.

It is an arithmetic number, because the mean of its divisors is an integer number (2883168).

Almost surely, 2^22019441 is an apocalyptic number.

It is an amenable number.

22019441 is a deficient number, since it is larger than the sum of its proper divisors (1045903).

22019441 is a wasteful number, since it uses less digits than its factorization.

22019441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 22019441 is about 4692.4877197495. The cubic root of 22019441 is about 280.2864458057.

The spelling of 22019441 in words is "twenty-two million, nineteen thousand, four hundred forty-one".