22021312214 has 8 divisors (see below), whose sum is σ = 36034874568. Its totient is φ = 10009687360.

The previous prime is 22021312207. The next prime is 22021312223. The reversal of 22021312214 is 41221312022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500484347 + ... + 500484390.

It is an arithmetic number, because the mean of its divisors is an integer number (4504359321).

Almost surely, 2^22021312214 is an apocalyptic number.

22021312214 is a deficient number, since it is larger than the sum of its proper divisors (14013562354).

22021312214 is a wasteful number, since it uses less digits than its factorization.

22021312214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000968750.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22021312214 its reverse (41221312022), we get a palindrome (63242624236).

The spelling of 22021312214 in words is "twenty-two billion, twenty-one million, three hundred twelve thousand, two hundred fourteen".