242225504462621 has 8 divisors (see below), whose sum is σ = 242454546935040. Its totient is φ = 241996570214112.

The previous prime is 242225504462587. The next prime is 242225504462633. The reversal of 242225504462621 is 126264405522242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242225504462621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242225504464621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22577135 + ... + 31530588.

It is an arithmetic number, because the mean of its divisors is an integer number (30306818366880).

Almost surely, 2^{242225504462621} is an apocalyptic number.

It is an amenable number.

242225504462621 is a deficient number, since it is larger than the sum of its proper divisors (229042472419).

242225504462621 is a wasteful number, since it uses less digits than its factorization.

242225504462621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54111955.

The product of its (nonzero) digits is 3686400, while the sum is 47.

Adding to 242225504462621 its reverse (126264405522242), we get a palindrome (368489909984863).

The spelling of 242225504462621 in words is "two hundred forty-two trillion, two hundred twenty-five billion, five hundred four million, four hundred sixty-two thousand, six hundred twenty-one".