22022403 has 16 divisors (see below), whose sum is σ = 32143776. Its totient is φ = 13328640.

The previous prime is 22022393. The next prime is 22022417. The reversal of 22022403 is 30422022.

It is not a de Polignac number, because 22022403 - 2¹³ = 22014211 is a prime.

It is a super-3 number, since 3×22022403³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (2008986).

Almost surely, 2^22022403 is an apocalyptic number.

22022403 is a deficient number, since it is larger than the sum of its proper divisors (10121373).

22022403 is a wasteful number, since it uses less digits than its factorization.

22022403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334.

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

The square root of 22022403 is about 4692.8033199784. The cubic root of 22022403 is about 280.2990130522.

Adding to 22022403 its reverse (30422022), we get a palindrome (52444425).

The spelling of 22022403 in words is "twenty-two million, twenty-two thousand, four hundred three".