2220424 has 16 divisors (see below), whose sum is σ = 4179420. Its totient is φ = 1105920.

The previous prime is 2220419. The next prime is 2220431. The reversal of 2220424 is 4240222.

2220424 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2220100 + 324 = 1490^2 + 18^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220398 and 2220407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3144 + ... + 3784.

2^2220424 is an apocalyptic number.

It is an amenable number.

2220424 is a deficient number, since it is larger than the sum of its proper divisors (1958996).

2220424 is a wasteful number, since it uses less digits than its factorization.

2220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220424 is about 1490.1087208657. The cubic root of 2220424 is about 130.4603795304.

Adding to 2220424 its reverse (4240222), we get a palindrome (6460646).

The spelling of 2220424 in words is "two million, two hundred twenty thousand, four hundred twenty-four".