22000355331 has 8 divisors (see below), whose sum is σ = 29393552064. Its totient is φ = 14637031080.

The previous prime is 22000355309. The next prime is 22000355387. The reversal of 22000355331 is 13355300022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22000355331 - 2⁷ = 22000355203 is a prime.

It is a super-2 number, since 2×22000355331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22000355131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7466401 + ... + 7469346.

It is an arithmetic number, because the mean of its divisors is an integer number (3674194008).

Almost surely, 2^22000355331 is an apocalyptic number.

22000355331 is a deficient number, since it is larger than the sum of its proper divisors (7393196733).

22000355331 is a wasteful number, since it uses less digits than its factorization.

22000355331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936241.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 22000355331 its reverse (13355300022), we get a palindrome (35355655353).

The spelling of 22000355331 in words is "twenty-two billion, three hundred fifty-five thousand, three hundred thirty-one".