2222464240 has 80 divisors (see below), whose sum is σ = 5480559936. Its totient is φ = 836352000.

The previous prime is 2222464229. The next prime is 2222464243. The reversal of 2222464240 is 424642222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2222464199 and 2222464208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222464243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102340 + ... + 122140.

Almost surely, 2^2222464240 is an apocalyptic number.

2222464240 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 2222464240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2740279968).

2222464240 is an abundant number, since it is smaller than the sum of its proper divisors (3258095696).

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

2222464240 is a wasteful number, since it uses less digits than its factorization.

2222464240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19898 (or 19892 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2222464240 is about 47143.0189953932. The cubic root of 2222464240 is about 1305.0032520483.

The spelling of 2222464240 in words is "two billion, two hundred twenty-two million, four hundred sixty-four thousand, two hundred forty".