22228981633 has 4 divisors (see below), whose sum is σ = 22231568128. Its totient is φ = 22226395140.

The previous prime is 22228981597. The next prime is 22228981651. The reversal of 22228981633 is 33618982222.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 22228981633 - 2⁹ = 22228981121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22228961633) 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, 1280313 + ... + 1297558.

It is an arithmetic number, because the mean of its divisors is an integer number (5557892032).

Almost surely, 2^22228981633 is an apocalyptic number.

It is an amenable number.

22228981633 is a deficient number, since it is larger than the sum of its proper divisors (2586495).

22228981633 is an equidigital number, since it uses as much as digits as its factorization.

22228981633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586494.

The product of its digits is 497664, while the sum is 46.

The spelling of 22228981633 in words is "twenty-two billion, two hundred twenty-eight million, nine hundred eighty-one thousand, six hundred thirty-three".