2204442440 has 32 divisors (see below), whose sum is σ = 4987415160. Its totient is φ = 876902400.

The previous prime is 2204442437. The next prime is 2204442469. The reversal of 2204442440 is 442444022.

It can be written as a sum of positive squares in 4 ways, for example, as 826102564 + 1378339876 = 28742^2 + 37126^2 .

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, 145001 + ... + 159480.

Almost surely, 2^2204442440 is an apocalyptic number.

2204442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204442440 is an abundant number, since it is smaller than the sum of its proper divisors (2782972720).

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

2204442440 is a wasteful number, since it uses less digits than its factorization.

2204442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304673 (or 304669 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2204442440 is about 46951.4902851869. The cubic root of 2204442440 is about 1301.4662824279.

Adding to 2204442440 its reverse (442444022), we get a palindrome (2646886462).

The spelling of 2204442440 in words is "two billion, two hundred four million, four hundred forty-two thousand, four hundred forty".