242211043 has 4 divisors (see below), whose sum is σ = 243278280. Its totient is φ = 241143808.

The previous prime is 242211017. The next prime is 242211049. The reversal of 242211043 is 340112242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340112242 = 2 ⋅170056121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242211043 is a prime.

It is a super-2 number, since 2×242211043² = 117332378702295698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242211043.

It is not an unprimeable number, because it can be changed into a prime (242211049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533278 + ... + 533731.

It is an arithmetic number, because the mean of its divisors is an integer number (60819570).

Almost surely, 2^242211043 is an apocalyptic number.

242211043 is a deficient number, since it is larger than the sum of its proper divisors (1067237).

242211043 is a wasteful number, since it uses less digits than its factorization.

242211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067236.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242211043 is about 15563.1308868107. The cubic root of 242211043 is about 623.3490662683.

Adding to 242211043 its reverse (340112242), we get a palindrome (582323285).

The spelling of 242211043 in words is "two hundred forty-two million, two hundred eleven thousand, forty-three".