2209572000 has 384 divisors, whose sum is σ = 8255520000. Its totient is φ = 573696000.

The previous prime is 2209571911. The next prime is 2209572011. The reversal of 2209572000 is 2759022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 4427751 + ... + 4428249.

It is an arithmetic number, because the mean of its divisors is an integer number (21498750).

Almost surely, 2^2209572000 is an apocalyptic number.

2209572000 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 2209572000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127760000).

2209572000 is an abundant number, since it is smaller than the sum of its proper divisors (6045948000).

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

2209572000 is a wasteful number, since it uses less digits than its factorization.

2209572000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2209572000 is about 47006.0847125135. The cubic root of 2209572000 is about 1302.4749695247.

The spelling of 2209572000 in words is "two billion, two hundred nine million, five hundred seventy-two thousand".