2209254912 has 160 divisors (see below), whose sum is σ = 6623638560. Its totient is φ = 736045056.

The previous prime is 2209254899. The next prime is 2209254917. The reversal of 2209254912 is 2194529022.

2209254912 is a `hidden beast` number, since 2 + 20 + 92 + 549 + 1 + 2 = 666.

It is a super-2 number, since 2×2209254912² = 9761614532392255488, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209254917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118758 + ... + 1120730.

It is an arithmetic number, because the mean of its divisors is an integer number (41397741).

Almost surely, 2^2209254912 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 2209254912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311819280).

2209254912 is an abundant number, since it is smaller than the sum of its proper divisors (4414383648).

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

2209254912 is an frugal number, since it uses more digits than its factorization.

2209254912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2209254912 is about 47002.7117515575. The cubic root of 2209254912 is about 1302.4126619918.

The spelling of 2209254912 in words is "two billion, two hundred nine million, two hundred fifty-four thousand, nine hundred twelve".