1986222338 has 8 divisors (see below), whose sum is σ = 2984627088. Its totient is φ = 991346644.

The previous prime is 1986222317. The next prime is 1986222347. The reversal of 1986222338 is 8332226891.

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, 880856 + ... + 883107.

It is an arithmetic number, because the mean of its divisors is an integer number (373078386).

Almost surely, 2^1986222338 is an apocalyptic number.

1986222338 is a deficient number, since it is larger than the sum of its proper divisors (998404750).

1986222338 is a wasteful number, since it uses less digits than its factorization.

1986222338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764528.

The product of its digits is 248832, while the sum is 44.

The square root of 1986222338 is about 44567.0544012054. The cubic root of 1986222338 is about 1257.0212532009.

The spelling of 1986222338 in words is "one billion, nine hundred eighty-six million, two hundred twenty-two thousand, three hundred thirty-eight".