22042803 has 4 divisors (see below), whose sum is σ = 29390408. Its totient is φ = 14695200.

The previous prime is 22042781. The next prime is 22042807. The reversal of 22042803 is 30824022.

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

It is not a de Polignac number, because 22042803 - 2⁵ = 22042771 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 22042803.

It is not an unprimeable number, because it can be changed into a prime (22042807) 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 3 ways as a sum of consecutive naturals, for example, 3673798 + ... + 3673803.

It is an arithmetic number, because the mean of its divisors is an integer number (7347602).

Almost surely, 2^22042803 is an apocalyptic number.

22042803 is a deficient number, since it is larger than the sum of its proper divisors (7347605).

22042803 is an equidigital number, since it uses as much as digits as its factorization.

22042803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347604.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22042803 is about 4694.9763577679. The cubic root of 22042803 is about 280.3855360830.

Adding to 22042803 its reverse (30824022), we get a palindrome (52866825).

The spelling of 22042803 in words is "twenty-two million, forty-two thousand, eight hundred three".