22044003 has 4 divisors (see below), whose sum is σ = 29392008. Its totient is φ = 14696000.

The previous prime is 22043999. The next prime is 22044013. The reversal of 22044003 is 30044022.

It is a happy number.

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 22044003 - 2² = 22043999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22044013) 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, 3673998 + ... + 3674003.

It is an arithmetic number, because the mean of its divisors is an integer number (7348002).

Almost surely, 2^22044003 is an apocalyptic number.

22044003 is a deficient number, since it is larger than the sum of its proper divisors (7348005).

22044003 is an equidigital number, since it uses as much as digits as its factorization.

22044003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348004.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22044003 is about 4695.1041521994. The cubic root of 22044003 is about 280.3906240103.

Adding to 22044003 its reverse (30044022), we get a palindrome (52088025).

The spelling of 22044003 in words is "twenty-two million, forty-four thousand, three".