242231401 has 4 divisors (see below), whose sum is σ = 242373712. Its totient is φ = 242089092.

The previous prime is 242231393. The next prime is 242231441. The reversal of 242231401 is 104132242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242231401 - 2³ = 242231393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242231441) 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, 68571 + ... + 72016.

It is an arithmetic number, because the mean of its divisors is an integer number (60593428).

Almost surely, 2^242231401 is an apocalyptic number.

It is an amenable number.

242231401 is a deficient number, since it is larger than the sum of its proper divisors (142311).

242231401 is a wasteful number, since it uses less digits than its factorization.

242231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142310.

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

The square root of 242231401 is about 15563.7849188428. The cubic root of 242231401 is about 623.3665300809.

Adding to 242231401 its reverse (104132242), we get a palindrome (346363643).

The spelling of 242231401 in words is "two hundred forty-two million, two hundred thirty-one thousand, four hundred one".