22042303 has 4 divisors (see below), whose sum is σ = 23000688. Its totient is φ = 21083920.

The previous prime is 22042301. The next prime is 22042331. The reversal of 22042303 is 30324022.

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

It is a cyclic number.

It is not a de Polignac number, because 22042303 - 2¹ = 22042301 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042301) 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, 479158 + ... + 479203.

It is an arithmetic number, because the mean of its divisors is an integer number (5750172).

Almost surely, 2^22042303 is an apocalyptic number.

22042303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22042303 is a deficient number, since it is larger than the sum of its proper divisors (958385).

22042303 is an equidigital number, since it uses as much as digits as its factorization.

22042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958384.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22042303 is about 4694.9231090615. The cubic root of 22042303 is about 280.3834160588.

Adding to 22042303 its reverse (30324022), we get a palindrome (52366325).

The spelling of 22042303 in words is "twenty-two million, forty-two thousand, three hundred three".