22040403 has 16 divisors (see below), whose sum is σ = 36638976. Its totient is φ = 11449440.

The previous prime is 22040393. The next prime is 22040429. The reversal of 22040403 is 30404022.

It is a happy number.

It is not a de Polignac number, because 22040403 - 2⁸ = 22040147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22040443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47476 + ... + 47937.

It is an arithmetic number, because the mean of its divisors is an integer number (2289936).

Almost surely, 2^22040403 is an apocalyptic number.

22040403 is a deficient number, since it is larger than the sum of its proper divisors (14598573).

22040403 is a wasteful number, since it uses less digits than its factorization.

22040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95434.

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

The square root of 22040403 is about 4694.7207584690. The cubic root of 22040403 is about 280.3753596744.

Adding to 22040403 its reverse (30404022), we get a palindrome (52444425).

The spelling of 22040403 in words is "twenty-two million, forty thousand, four hundred three".