22314042021 has 4 divisors (see below), whose sum is σ = 29752056032. Its totient is φ = 14876028012.

The previous prime is 22314042013. The next prime is 22314042041. The reversal of 22314042021 is 12024041322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22314042021 - 2³ = 22314042013 is a prime.

It is a super-3 number, since 3×22314042021³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22314042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719007001 + ... + 3719007006.

It is an arithmetic number, because the mean of its divisors is an integer number (7438014008).

Almost surely, 2^22314042021 is an apocalyptic number.

It is an amenable number.

22314042021 is a deficient number, since it is larger than the sum of its proper divisors (7438014011).

22314042021 is an equidigital number, since it uses as much as digits as its factorization.

22314042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438014010.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22314042021 its reverse (12024041322), we get a palindrome (34338083343).

The spelling of 22314042021 in words is "twenty-two billion, three hundred fourteen million, forty-two thousand, twenty-one".