242243320 has 32 divisors (see below), whose sum is σ = 594598320. Its totient is φ = 88088320.

The previous prime is 242243303. The next prime is 242243333. The reversal of 242243320 is 23342242.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 242243291 and 242243300.

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, 274837 + ... + 275716.

Almost surely, 2^242243320 is an apocalyptic number.

242243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242243320 is an abundant number, since it is smaller than the sum of its proper divisors (352355000).

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

242243320 is a wasteful number, since it uses less digits than its factorization.

242243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550575 (or 550571 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 242243320 is about 15564.1678222769. The cubic root of 242243320 is about 623.3767541666.

Adding to 242243320 its reverse (23342242), we get a palindrome (265585562).

The spelling of 242243320 in words is "two hundred forty-two million, two hundred forty-three thousand, three hundred twenty".