2220342444 has 36 divisors (see below), whose sum is σ = 5856557616. Its totient is φ = 707935008.

The previous prime is 2220342431. The next prime is 2220342461. The reversal of 2220342444 is 4442430222.

2220342444 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339959 + ... + 1341614.

It is an arithmetic number, because the mean of its divisors is an integer number (162682156).

Almost surely, 2^2220342444 is an apocalyptic number.

It is an amenable number.

2220342444 is an abundant number, since it is smaller than the sum of its proper divisors (3636215172).

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

2220342444 is a wasteful number, since it uses less digits than its factorization.

2220342444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681606 (or 2681601 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2220342444 is about 47120.5098019960. The cubic root of 2220342444 is about 1304.5878224433.

Adding to 2220342444 its reverse (4442430222), we get a palindrome (6662772666).

The spelling of 2220342444 in words is "two billion, two hundred twenty million, three hundred forty-two thousand, four hundred forty-four".