2221433140 has 24 divisors (see below), whose sum is σ = 4689441792. Its totient is φ = 883919520.

The previous prime is 2221433113. The next prime is 2221433167. The reversal of 2221433140 is 413341222.

It is an interprime number because it is at equal distance from previous prime (2221433113) and next prime (2221433167).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286944 + ... + 294583.

It is an arithmetic number, because the mean of its divisors is an integer number (195393408).

Almost surely, 2^2221433140 is an apocalyptic number.

2221433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221433140 is an abundant number, since it is smaller than the sum of its proper divisors (2468008652).

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

2221433140 is a wasteful number, since it uses less digits than its factorization.

2221433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581727 (or 581725 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2221433140 is about 47132.0818551441. The cubic root of 2221433140 is about 1304.8014044811.

Adding to 2221433140 its reverse (413341222), we get a palindrome (2634774362).

The spelling of 2221433140 in words is "two billion, two hundred twenty-one million, four hundred thirty-three thousand, one hundred forty".