4400022012 has 48 divisors (see below), whose sum is σ = 10327562112. Its totient is φ = 1458008640.

The previous prime is 4400021993. The next prime is 4400022031. The reversal of 4400022012 is 2102200044.

It is an interprime number because it is at equal distance from previous prime (4400021993) and next prime (4400022031).

It is a junction number, because it is equal to n+sod(n) for n = 4400021982 and 4400022000.

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 15 ways as a sum of consecutive naturals, for example, 1737187 + ... + 1739717.

It is an arithmetic number, because the mean of its divisors is an integer number (215157544).

Almost surely, 2^4400022012 is an apocalyptic number.

It is an amenable number.

4400022012 is an abundant number, since it is smaller than the sum of its proper divisors (5927540100).

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

4400022012 is a wasteful number, since it uses less digits than its factorization.

4400022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4400022012 is about 66332.6617285934. The cubic root of 4400022012 is about 1638.6452737573.

Adding to 4400022012 its reverse (2102200044), we get a palindrome (6502222056).

The spelling of 4400022012 in words is "four billion, four hundred million, twenty-two thousand, twelve".