2209066992 has 150 divisors (see below), whose sum is σ = 7028263704. Its totient is φ = 669366720.

The previous prime is 2209066991. The next prime is 2209067027. The reversal of 2209066992 is 2996609022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209066991) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 149773 + ... + 163859.

Almost surely, 2^2209066992 is an apocalyptic number.

2209066992 is a gapful number since it is divisible by the number (22) 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 2209066992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514131852).

2209066992 is an abundant number, since it is smaller than the sum of its proper divisors (4819196712).

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

2209066992 is a wasteful number, since it uses less digits than its factorization.

2209066992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14129 (or 14103 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2209066992 is about 47000.7126754478. The cubic root of 2209066992 is about 1302.3757330516.

The spelling of 2209066992 in words is "two billion, two hundred nine million, sixty-six thousand, nine hundred ninety-two".