2222042240 has 64 divisors (see below), whose sum is σ = 5795003520. Its totient is φ = 808012800.

The previous prime is 2222042233. The next prime is 2222042287. The reversal of 2222042240 is 422402222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 150776 + ... + 164855.

It is an arithmetic number, because the mean of its divisors is an integer number (90546930).

Almost surely, 2^2222042240 is an apocalyptic number.

2222042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222042240 is an abundant number, since it is smaller than the sum of its proper divisors (3572961280).

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

2222042240 is a wasteful number, since it uses less digits than its factorization.

2222042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315661 (or 315649 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2222042240 is about 47138.5430407008. The cubic root of 2222042240 is about 1304.9206491096.

Adding to 2222042240 its reverse (422402222), we get a palindrome (2644444462).

The spelling of 2222042240 in words is "two billion, two hundred twenty-two million, forty-two thousand, two hundred forty".