4242402220 has 24 divisors (see below), whose sum is σ = 10181765664. Its totient is φ = 1454537856.

The previous prime is 4242402211. The next prime is 4242402239. The reversal of 4242402220 is 222042424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4242402191 and 4242402200.

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, 15151297 + ... + 15151576.

It is an arithmetic number, because the mean of its divisors is an integer number (424240236).

Almost surely, 2^4242402220 is an apocalyptic number.

It is an amenable number.

4242402220 is an abundant number, since it is smaller than the sum of its proper divisors (5939363444).

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

4242402220 is a wasteful number, since it uses less digits than its factorization.

4242402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30302889 (or 30302887 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4242402220 is about 65133.7256726498. The cubic root of 4242402220 is about 1618.8400755470.

Adding to 4242402220 its reverse (222042424), we get a palindrome (4464444644).

The spelling of 4242402220 in words is "four billion, two hundred forty-two million, four hundred two thousand, two hundred twenty".