2009221094 has 16 divisors (see below), whose sum is σ = 3119828400. Its totient is φ = 969324384.

The previous prime is 2009221091. The next prime is 2009221127. The reversal of 2009221094 is 4901229002.

It is a super-3 number, since 3×2009221094³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009221091) 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, 83204 + ... + 104600.

It is an arithmetic number, because the mean of its divisors is an integer number (194989275).

Almost surely, 2^2009221094 is an apocalyptic number.

2009221094 is a deficient number, since it is larger than the sum of its proper divisors (1110607306).

2009221094 is a wasteful number, since it uses less digits than its factorization.

2009221094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23047.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2009221094 is about 44824.3359571561. The cubic root of 2009221094 is about 1261.8543900858.

The spelling of 2009221094 in words is "two billion, nine million, two hundred twenty-one thousand, ninety-four".