22142221203986 has 8 divisors (see below), whose sum is σ = 35768203483404. Its totient is φ = 10219486709520.

The previous prime is 22142221203943. The next prime is 22142221204007. The reversal of 22142221203986 is 68930212224122.

It can be written as a sum of positive squares in 2 ways, for example, as 21504968649025 + 637252554961 = 4637345^2 + 798281^2 .

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

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, 425811946205 + ... + 425811946256.

Almost surely, 2^{22142221203986} is an apocalyptic number.

22142221203986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22142221203986 is a deficient number, since it is larger than the sum of its proper divisors (13625982279418).

22142221203986 is a wasteful number, since it uses less digits than its factorization.

22142221203986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851623892476.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 22142221203986 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred three thousand, nine hundred eighty-six".