2202324640 has 48 divisors (see below), whose sum is σ = 5217865128. Its totient is φ = 878411776.

The previous prime is 2202324629. The next prime is 2202324659. The reversal of 2202324640 is 464232022.

It can be written as a sum of positive squares in 4 ways, for example, as 1434591376 + 767733264 = 37876^2 + 27708^2 .

It is a super-2 number, since 2×2202324640² = 9700467639902259200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36984 + ... + 75976.

Almost surely, 2^2202324640 is an apocalyptic number.

2202324640 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 2202324640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608932564).

2202324640 is an abundant number, since it is smaller than the sum of its proper divisors (3015540488).

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

2202324640 is a wasteful number, since it uses less digits than its factorization.

2202324640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39361 (or 39353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2202324640 is about 46928.9318011821. The cubic root of 2202324640 is about 1301.0493775524.

Adding to 2202324640 its reverse (464232022), we get a palindrome (2666556662).

The spelling of 2202324640 in words is "two billion, two hundred two million, three hundred twenty-four thousand, six hundred forty".