22210212331 has 4 divisors (see below), whose sum is σ = 22223119464. Its totient is φ = 22197305200.

The previous prime is 22210212329. The next prime is 22210212341. The reversal of 22210212331 is 13321201222.

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

It is a cyclic number.

It is not a de Polignac number, because 22210212331 - 2¹ = 22210212329 is a prime.

It is a super-2 number, since 2×22210212331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210212299 and 22210212308.

It is not an unprimeable number, because it can be changed into a prime (22210212341) 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, 6450985 + ... + 6454426.

It is an arithmetic number, because the mean of its divisors is an integer number (5555779866).

Almost surely, 2^22210212331 is an apocalyptic number.

22210212331 is a deficient number, since it is larger than the sum of its proper divisors (12907133).

22210212331 is a wasteful number, since it uses less digits than its factorization.

22210212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907132.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22210212331 its reverse (13321201222), we get a palindrome (35531413553).

The spelling of 22210212331 in words is "twenty-two billion, two hundred ten million, two hundred twelve thousand, three hundred thirty-one".