1102221986 has 8 divisors (see below), whose sum is σ = 1653502620. Its totient is φ = 551054448.

The previous prime is 1102221947. The next prime is 1102222007. The reversal of 1102221986 is 6891222011.

It can be written as a sum of positive squares in 2 ways, for example, as 1100978761 + 1243225 = 33181^2 + 1115^2 .

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, 3020 + ... + 47048.

Almost surely, 2^1102221986 is an apocalyptic number.

1102221986 is a deficient number, since it is larger than the sum of its proper divisors (551280634).

1102221986 is a wasteful number, since it uses less digits than its factorization.

1102221986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56548.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1102221986 is about 33199.7287037108. The cubic root of 1102221986 is about 1032.9747122056.

Adding to 1102221986 its reverse (6891222011), we get a palindrome (7993443997).

The spelling of 1102221986 in words is "one billion, one hundred two million, two hundred twenty-one thousand, nine hundred eighty-six".