1106221989 has 8 divisors (see below), whose sum is σ = 1502792352. Its totient is φ = 723566480.

The previous prime is 1106221889. The next prime is 1106221997. The reversal of 1106221989 is 9891226011.

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

It is a cyclic number.

It is not a de Polignac number, because 1106221989 - 2¹⁶ = 1106156453 is a prime.

It is a super-2 number, since 2×1106221989² = 2447454177894232242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106221889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478527 + ... + 3478844.

It is an arithmetic number, because the mean of its divisors is an integer number (187849044).

Almost surely, 2^1106221989 is an apocalyptic number.

It is an amenable number.

1106221989 is a deficient number, since it is larger than the sum of its proper divisors (396570363).

1106221989 is an equidigital number, since it uses as much as digits as its factorization.

1106221989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957427.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1106221989 is about 33259.9156493218. The cubic root of 1106221989 is about 1034.2227710600. Note that the first 3 decimals are identical.

The spelling of 1106221989 in words is "one billion, one hundred six million, two hundred twenty-one thousand, nine hundred eighty-nine".