22042140403 has 4 divisors (see below), whose sum is σ = 22802214240. Its totient is φ = 21282066568.

The previous prime is 22042140383. The next prime is 22042140409. The reversal of 22042140403 is 30404124022.

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 22042140403 - 2¹⁷ = 22042009331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22042140409) 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, 380036875 + ... + 380036932.

It is an arithmetic number, because the mean of its divisors is an integer number (5700553560).

Almost surely, 2^22042140403 is an apocalyptic number.

22042140403 is a deficient number, since it is larger than the sum of its proper divisors (760073837).

22042140403 is an equidigital number, since it uses as much as digits as its factorization.

22042140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760073836.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22042140403 its reverse (30404124022), we get a palindrome (52446264425).

The spelling of 22042140403 in words is "twenty-two billion, forty-two million, one hundred forty thousand, four hundred three".