242245624 has 8 divisors (see below), whose sum is σ = 454210560. Its totient is φ = 121122808.

The previous prime is 242245621. The next prime is 242245651. The reversal of 242245624 is 426542242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242245621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140344 + ... + 15140359.

It is an arithmetic number, because the mean of its divisors is an integer number (56776320).

Almost surely, 2^242245624 is an apocalyptic number.

It is an amenable number.

242245624 is a deficient number, since it is larger than the sum of its proper divisors (211964936).

242245624 is a wasteful number, since it uses less digits than its factorization.

242245624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30280709 (or 30280705 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 242245624 is about 15564.2418382650. The cubic root of 242245624 is about 623.3787304928.

Adding to 242245624 its reverse (426542242), we get a palindrome (668787866).

The spelling of 242245624 in words is "two hundred forty-two million, two hundred forty-five thousand, six hundred twenty-four".