1084220081 has 8 divisors (see below), whose sum is σ = 1242381120. Its totient is φ = 926877168.

The previous prime is 1084220051. The next prime is 1084220083. The reversal of 1084220081 is 1800224801.

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

It is not a de Polignac number, because 1084220081 - 2¹⁴ = 1084203697 is a prime.

It is a super-2 number, since 2×1084220081² = 2351066368087293122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1084220081.

It is not an unprimeable number, because it can be changed into a prime (1084220083) 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, 201686 + ... + 206991.

It is an arithmetic number, because the mean of its divisors is an integer number (155297640).

Almost surely, 2^1084220081 is an apocalyptic number.

It is an amenable number.

1084220081 is a deficient number, since it is larger than the sum of its proper divisors (158161039).

1084220081 is an equidigital number, since it uses as much as digits as its factorization.

1084220081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409063.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1084220081 is about 32927.4973388504. The cubic root of 1084220081 is about 1027.3201713852.

Adding to 1084220081 its reverse (1800224801), we get a palindrome (2884444882).

The spelling of 1084220081 in words is "one billion, eighty-four million, two hundred twenty thousand, eighty-one".