242521222300 has 108 divisors (see below), whose sum is σ = 616663124784. Its totient is φ = 82542969600.

The previous prime is 242521222297. The next prime is 242521222343. The reversal of 242521222300 is 3222125242.

242521222300 is digitally balanced in base 2, 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 (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 490665 + ... + 851935.

It is an arithmetic number, because the mean of its divisors is an integer number (5709843748).

Almost surely, 2^242521222300 is an apocalyptic number.

242521222300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242521222300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308331562392).

242521222300 is an abundant number, since it is smaller than the sum of its proper divisors (374141902484).

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

242521222300 is a wasteful number, since it uses less digits than its factorization.

242521222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361436 (or 361422 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 242521222300 its reverse (3222125242), we get a palindrome (245743347542).

The spelling of 242521222300 in words is "two hundred forty-two billion, five hundred twenty-one million, two hundred twenty-two thousand, three hundred".