22012002403 has 4 divisors (see below), whose sum is σ = 22013504800. Its totient is φ = 22010500008.

The previous prime is 22012002401. The next prime is 22012002451. The reversal of 22012002403 is 30420021022.

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 22012002403 - 2¹ = 22012002401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012002401) 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, 729003 + ... + 758596.

It is an arithmetic number, because the mean of its divisors is an integer number (5503376200).

Almost surely, 2^22012002403 is an apocalyptic number.

22012002403 is a deficient number, since it is larger than the sum of its proper divisors (1502397).

22012002403 is a wasteful number, since it uses less digits than its factorization.

22012002403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502396.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22012002403 its reverse (30420021022), we get a palindrome (52432023425).

The spelling of 22012002403 in words is "twenty-two billion, twelve million, two thousand, four hundred three".