242221332 has 24 divisors (see below), whose sum is σ = 571536000. Its totient is φ = 79832896.

The previous prime is 242221313. The next prime is 242221361. The reversal of 242221332 is 233122242.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 242221299 and 242221308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112332 + ... + 114467.

It is an arithmetic number, because the mean of its divisors is an integer number (23814000).

Almost surely, 2^242221332 is an apocalyptic number.

It is an amenable number.

242221332 is an abundant number, since it is smaller than the sum of its proper divisors (329314668).

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

242221332 is a wasteful number, since it uses less digits than its factorization.

242221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226895 (or 226893 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 242221332 is about 15563.4614401810. The cubic root of 242221332 is about 623.3578926588.

Adding to 242221332 its reverse (233122242), we get a palindrome (475343574).

The spelling of 242221332 in words is "two hundred forty-two million, two hundred twenty-one thousand, three hundred thirty-two".