242243628 has 48 divisors (see below), whose sum is σ = 621371520. Its totient is φ = 72841600.

The previous prime is 242243623. The next prime is 242243657. The reversal of 242243628 is 826342242.

It is a super-3 number, since 3×242243628³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (242243623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10288 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (12945240).

Almost surely, 2^242243628 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 242243628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310685760).

242243628 is an abundant number, since it is smaller than the sum of its proper divisors (379127892).

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

242243628 is a wasteful number, since it uses less digits than its factorization.

242243628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14158 (or 14156 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 242243628 is about 15564.1777167957. The cubic root of 242243628 is about 623.3770183637.

The spelling of 242243628 in words is "two hundred forty-two million, two hundred forty-three thousand, six hundred twenty-eight".