2220226624 has 56 divisors (see below), whose sum is σ = 5492910528. Its totient is φ = 865021440.

The previous prime is 2220226607. The next prime is 2220226667. The reversal of 2220226624 is 4266220222.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2220226592 and 2220226601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220339 + ... + 230194.

It is an arithmetic number, because the mean of its divisors is an integer number (98087688).

Almost surely, 2^2220226624 is an apocalyptic number.

It is an amenable number.

2220226624 is an abundant number, since it is smaller than the sum of its proper divisors (3272683904).

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

2220226624 is a wasteful number, since it uses less digits than its factorization.

2220226624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450563 (or 450553 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2220226624 is about 47119.2808094521. The cubic root of 2220226624 is about 1304.5651382564.

Adding to 2220226624 its reverse (4266220222), we get a palindrome (6486446846).

The spelling of 2220226624 in words is "two billion, two hundred twenty million, two hundred twenty-six thousand, six hundred twenty-four".