242222020 has 48 divisors (see below), whose sum is σ = 523837440. Its totient is φ = 94034304.

The previous prime is 242222011. The next prime is 242222023. The reversal of 242222020 is 20222242.

It is a junction number, because it is equal to n+sod(n) for n = 242221985 and 242222003.

It is not an unprimeable number, because it can be changed into a prime (242222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118366 + ... + 120394.

It is an arithmetic number, because the mean of its divisors is an integer number (10913280).

Almost surely, 2^242222020 is an apocalyptic number.

242222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242222020 is an abundant number, since it is smaller than the sum of its proper divisors (281615420).

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

242222020 is a wasteful number, since it uses less digits than its factorization.

242222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2210 counting only the distinct ones).

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

The square root of 242222020 is about 15563.4835432174. The cubic root of 242222020 is about 623.3584828488.

Adding to 242222020 its reverse (20222242), we get a palindrome (262444262).

It can be divided in two parts, 2422 and 22020, that added together give a palindrome (24442).

The spelling of 242222020 in words is "two hundred forty-two million, two hundred twenty-two thousand, twenty".