242122443 has 4 divisors (see below), whose sum is σ = 322829928. Its totient is φ = 161414960.

The previous prime is 242122423. The next prime is 242122451. The reversal of 242122443 is 344221242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242122443 - 2¹² = 242118347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242122423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40353738 + ... + 40353743.

It is an arithmetic number, because the mean of its divisors is an integer number (80707482).

Almost surely, 2^242122443 is an apocalyptic number.

242122443 is a deficient number, since it is larger than the sum of its proper divisors (80707485).

242122443 is an equidigital number, since it uses as much as digits as its factorization.

242122443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80707484.

The product of its digits is 3072, while the sum is 24.

The square root of 242122443 is about 15560.2841555031. The cubic root of 242122443 is about 623.2730506552.

Adding to 242122443 its reverse (344221242), we get a palindrome (586343685).

The spelling of 242122443 in words is "two hundred forty-two million, one hundred twenty-two thousand, four hundred forty-three".