2220444442 has 8 divisors (see below), whose sum is σ = 3330897696. Its totient is φ = 1110145212.

The previous prime is 2220444437. The next prime is 2220444461. The reversal of 2220444442 is 2444440222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2220444442.

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 3 ways as a sum of consecutive naturals, for example, 9513 + ... + 67315.

It is an arithmetic number, because the mean of its divisors is an integer number (416362212).

Almost surely, 2^2220444442 is an apocalyptic number.

2220444442 is a deficient number, since it is larger than the sum of its proper divisors (1110453254).

2220444442 is a wasteful number, since it uses less digits than its factorization.

2220444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77012.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2220444442 is about 47121.5920995885. The cubic root of 2220444442 is about 1304.6077988380.

Adding to 2220444442 its reverse (2444440222), we get a palindrome (4664884664).

The spelling of 2220444442 in words is "two billion, two hundred twenty million, four hundred forty-four thousand, four hundred forty-two".