22022121986 has 8 divisors (see below), whose sum is σ = 33052630800. Its totient is φ = 11004578388.

The previous prime is 22022121983. The next prime is 22022122049. The reversal of 22022121986 is 68912122022.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22022121983) 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, 3237056 + ... + 3243851.

It is an arithmetic number, because the mean of its divisors is an integer number (4131578850).

Almost surely, 2^22022121986 is an apocalyptic number.

22022121986 is a deficient number, since it is larger than the sum of its proper divisors (11030508814).

22022121986 is a wasteful number, since it uses less digits than its factorization.

22022121986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482608.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 22022121986 in words is "twenty-two billion, twenty-two million, one hundred twenty-one thousand, nine hundred eighty-six".