2204588640 has 192 divisors, whose sum is σ = 7279082496. Its totient is φ = 559798272.

The previous prime is 2204588623. The next prime is 2204588641. The reversal of 2204588640 is 468854022.

It is a super-2 number, since 2×2204588640² = 9720422143234099200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204588641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4382629 + ... + 4383131.

It is an arithmetic number, because the mean of its divisors is an integer number (37911888).

Almost surely, 2^2204588640 is an apocalyptic number.

2204588640 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 2204588640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639541248).

2204588640 is an abundant number, since it is smaller than the sum of its proper divisors (5074493856).

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

2204588640 is a wasteful number, since it uses less digits than its factorization.

2204588640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 2204588640 is about 46953.0471854596. The cubic root of 2204588640 is about 1301.4950531442.

It can be divided in two parts, 22045 and 88640, that added together give a triangular number (110685 = T₄₇₀).

The spelling of 2204588640 in words is "two billion, two hundred four million, five hundred eighty-eight thousand, six hundred forty".