2209752064 has 99 divisors (see below), whose sum is σ = 4825984683. Its totient is φ = 1010860032.

The previous prime is 2209752059. The next prime is 2209752067. The reversal of 2209752064 is 4602579022.

It is a happy number.

The square root of 2209752064 is 47008.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1649009664 + 560742400 = 40608^2 + 23680^2 .

It is not an unprimeable number, because it can be changed into a prime (2209752067) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19555272 + ... + 19555384.

Almost surely, 2^2209752064 is an apocalyptic number.

2209752064 is the 47008-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209752064

2209752064 is an abundant number, since it is smaller than the sum of its proper divisors (2616232619).

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

2209752064 is an equidigital number, since it uses as much as digits as its factorization.

2209752064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The cubic root of 2209752064 is about 1302.5103493000.

The spelling of 2209752064 in words is "two billion, two hundred nine million, seven hundred fifty-two thousand, sixty-four".