2220242040 has 96 divisors (see below), whose sum is σ = 7221614400. Its totient is φ = 591586560.

The previous prime is 2220242029. The next prime is 2220242051. The reversal of 2220242040 is 402420222.

2220242040 is a `hidden beast` number, since 2 + 2 + 202 + 420 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2220242029) and next prime (2220242051).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 829905 + ... + 832575.

It is an arithmetic number, because the mean of its divisors is an integer number (75225150).

Almost surely, 2^2220242040 is an apocalyptic number.

2220242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220242040 is an abundant number, since it is smaller than the sum of its proper divisors (5001372360).

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

2220242040 is a wasteful number, since it uses less digits than its factorization.

2220242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2220242040 is about 47119.4443940079. Note that the first 3 decimals coincide. The cubic root of 2220242040 is about 1304.5681576373.

Adding to 2220242040 its reverse (402420222), we get a palindrome (2622662262).

The spelling of 2220242040 in words is "two billion, two hundred twenty million, two hundred forty-two thousand, forty".