1094220864 has 168 divisors, whose sum is σ = 3438095232. Its totient is φ = 329978880.

The previous prime is 1094220817. The next prime is 1094220889. The reversal of 1094220864 is 4680224901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2363097 + ... + 2363559.

Almost surely, 2^1094220864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1094220864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719047616).

1094220864 is an abundant number, since it is smaller than the sum of its proper divisors (2343874368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1094220864 is a wasteful number, since it uses less digits than its factorization.

1094220864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1094220864 is about 33079.0094168492. The cubic root of 1094220864 is about 1030.4691563026.

The spelling of 1094220864 in words is "one billion, ninety-four million, two hundred twenty thousand, eight hundred sixty-four".