4122542220 has 48 divisors (see below), whose sum is σ = 11855100768. Its totient is φ = 1069632000.

The previous prime is 4122542219. The next prime is 4122542261. The reversal of 4122542220 is 222452214.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926281 + ... + 930720.

It is an arithmetic number, because the mean of its divisors is an integer number (246981266).

Almost surely, 2^4122542220 is an apocalyptic number.

It is an amenable number.

4122542220 is an abundant number, since it is smaller than the sum of its proper divisors (7732558548).

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

4122542220 is a wasteful number, since it uses less digits than its factorization.

4122542220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857050 (or 1857048 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4122542220 is about 64207.0262510265. The cubic root of 4122542220 is about 1603.4485799491.

Adding to 4122542220 its reverse (222452214), we get a palindrome (4344994434).

The spelling of 4122542220 in words is "four billion, one hundred twenty-two million, five hundred forty-two thousand, two hundred twenty".