22401340033 has 4 divisors (see below), whose sum is σ = 22484616660. Its totient is φ = 22318063408.

The previous prime is 22401340021. The next prime is 22401340069. The reversal of 22401340033 is 33004310422.

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 428614209 + 21972725824 = 20703^2 + 148232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22401340033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22401339986 and 22401340013.

It is not an unprimeable number, because it can be changed into a prime (22401340433) 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, 41637910 + ... + 41638447.

It is an arithmetic number, because the mean of its divisors is an integer number (5621154165).

Almost surely, 2^22401340033 is an apocalyptic number.

It is an amenable number.

22401340033 is a deficient number, since it is larger than the sum of its proper divisors (83276627).

22401340033 is an equidigital number, since it uses as much as digits as its factorization.

22401340033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83276626.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22401340033 its reverse (33004310422), we get a palindrome (55405650455).

The spelling of 22401340033 in words is "twenty-two billion, four hundred one million, three hundred forty thousand, thirty-three".