242213003 has 4 divisors (see below), whose sum is σ = 244120320. Its totient is φ = 240305688.

The previous prime is 242212979. The next prime is 242213009. The reversal of 242213003 is 300312242.

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 242213003 - 2¹⁰ = 242211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242213009) 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, 953468 + ... + 953721.

It is an arithmetic number, because the mean of its divisors is an integer number (61030080).

Almost surely, 2^242213003 is an apocalyptic number.

242213003 is a deficient number, since it is larger than the sum of its proper divisors (1907317).

242213003 is a wasteful number, since it uses less digits than its factorization.

242213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907316.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242213003 is about 15563.1938560181. The cubic root of 242213003 is about 623.3507476682.

Adding to 242213003 its reverse (300312242), we get a palindrome (542525245).

The spelling of 242213003 in words is "two hundred forty-two million, two hundred thirteen thousand, three".