242220030 has 64 divisors (see below), whose sum is σ = 627637248. Its totient is φ = 59472000.

The previous prime is 242219993. The next prime is 242220031. The reversal of 242220030 is 30022242.

242220030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 242219991 and 242220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292477 + ... + 293303.

It is an arithmetic number, because the mean of its divisors is an integer number (9806832).

Almost surely, 2^242220030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242220030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313818624).

242220030 is an abundant number, since it is smaller than the sum of its proper divisors (385417218).

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

242220030 is a wasteful number, since it uses less digits than its factorization.

242220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 242220030 is about 15563.4196113836. The cubic root of 242220030 is about 623.3567757554.

Adding to 242220030 its reverse (30022242), we get a palindrome (272242272).

The spelling of 242220030 in words is "two hundred forty-two million, two hundred twenty thousand, thirty".