242241447 has 24 divisors (see below), whose sum is σ = 376517376. Its totient is φ = 138130608.

The previous prime is 242241443. The next prime is 242241457. The reversal of 242241447 is 744142242.

It is not a de Polignac number, because 242241447 - 2² = 242241443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242241443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81298 + ... + 84224.

It is an arithmetic number, because the mean of its divisors is an integer number (15688224).

Almost surely, 2^242241447 is an apocalyptic number.

242241447 is a deficient number, since it is larger than the sum of its proper divisors (134275929).

242241447 is a wasteful number, since it uses less digits than its factorization.

242241447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3500 counting only the distinct ones).

The product of its digits is 14336, while the sum is 30.

The square root of 242241447 is about 15564.1076519022. The cubic root of 242241447 is about 623.3751475345.

Adding to 242241447 its reverse (744142242), we get a palindrome (986383689).

The spelling of 242241447 in words is "two hundred forty-two million, two hundred forty-one thousand, four hundred forty-seven".