242243351 has 16 divisors (see below), whose sum is σ = 287327040. Its totient is φ = 199825920.

The previous prime is 242243333. The next prime is 242243359. The reversal of 242243351 is 153342242.

It is not a de Polignac number, because 242243351 - 2¹⁰ = 242242327 is a prime.

It is a super-2 number, since 2×242243351² = 117363682207418402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242243351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243359) 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, 66641 + ... + 70181.

It is an arithmetic number, because the mean of its divisors is an integer number (17957940).

Almost surely, 2^242243351 is an apocalyptic number.

242243351 is a deficient number, since it is larger than the sum of its proper divisors (45083689).

242243351 is a wasteful number, since it uses less digits than its factorization.

242243351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914.

The product of its digits is 5760, while the sum is 26.

The square root of 242243351 is about 15564.1688181541. The cubic root of 242243351 is about 623.3767807578.

Adding to 242243351 its reverse (153342242), we get a palindrome (395585593).

The spelling of 242243351 in words is "two hundred forty-two million, two hundred forty-three thousand, three hundred fifty-one".