22203215401 has 4 divisors (see below), whose sum is σ = 22236806404. Its totient is φ = 22169624400.

The previous prime is 22203215387. The next prime is 22203215407. The reversal of 22203215401 is 10451230222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15073946176 + 7129269225 = 122776^2 + 84435^2 .

It is a cyclic number.

It is not a de Polignac number, because 22203215401 - 2¹³ = 22203207209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22203215407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16794510 + ... + 16795831.

It is an arithmetic number, because the mean of its divisors is an integer number (5559201601).

Almost surely, 2^22203215401 is an apocalyptic number.

It is an amenable number.

22203215401 is a deficient number, since it is larger than the sum of its proper divisors (33591003).

22203215401 is an equidigital number, since it uses as much as digits as its factorization.

22203215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33591002.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22203215401 its reverse (10451230222), we get a palindrome (32654445623).

The spelling of 22203215401 in words is "twenty-two billion, two hundred three million, two hundred fifteen thousand, four hundred one".