242228844 has 144 divisors (see below), whose sum is σ = 725996544. Its totient is φ = 67132800.

The previous prime is 242228839. The next prime is 242228849. The reversal of 242228844 is 448822242.

It is a happy number.

242228844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242228839) and next prime (242228849).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 242228799 and 242228808.

It is not an unprimeable number, because it can be changed into a prime (242228849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1086117 + ... + 1086339.

Almost surely, 2^242228844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242228844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362998272).

242228844 is an abundant number, since it is smaller than the sum of its proper divisors (483767700).

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

242228844 is a wasteful number, since it uses less digits than its factorization.

242228844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 463 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 242228844 is about 15563.7027727980. The cubic root of 242228844 is about 623.3643366495.

The spelling of 242228844 in words is "two hundred forty-two million, two hundred twenty-eight thousand, eight hundred forty-four".