2202163440 has 160 divisors (see below), whose sum is σ = 6974553600. Its totient is φ = 574632960.

The previous prime is 2202163421. The next prime is 2202163463. The reversal of 2202163440 is 443612022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2202163440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5255551 + ... + 5255969.

It is an arithmetic number, because the mean of its divisors is an integer number (43590960).

Almost surely, 2^2202163440 is an apocalyptic number.

2202163440 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 2202163440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3487276800).

2202163440 is an abundant number, since it is smaller than the sum of its proper divisors (4772390160).

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

2202163440 is a wasteful number, since it uses less digits than its factorization.

2202163440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2202163440 is about 46927.2142791366. The cubic root of 2202163440 is about 1301.0176331745.

Adding to 2202163440 its reverse (443612022), we get a palindrome (2645775462).

The spelling of 2202163440 in words is "two billion, two hundred two million, one hundred sixty-three thousand, four hundred forty".