2209094000 has 160 divisors (see below), whose sum is σ = 5548787712. Its totient is φ = 850080000.

The previous prime is 2209093979. The next prime is 2209094023. The reversal of 2209094000 is 4909022.

It is a Cunningham number, because it is equal to 47001²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6673835 + ... + 6674165.

Almost surely, 2^2209094000 is an apocalyptic number.

2209094000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209094000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774393856).

2209094000 is an abundant number, since it is smaller than the sum of its proper divisors (3339693712).

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

2209094000 is a wasteful number, since it uses less digits than its factorization.

2209094000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2209094000 is about 47000.9999893619. Note that the first 4 decimals coincide. The cubic root of 2209094000 is about 1302.3810406348.

The spelling of 2209094000 in words is "two billion, two hundred nine million, ninety-four thousand".