224121425253456 has 80 divisors (see below), whose sum is σ = 609457823552000. Its totient is φ = 70774626593664.

The previous prime is 224121425253449. The next prime is 224121425253491. The reversal of 224121425253456 is 654352524121422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 122932845 + ... + 124742643.

It is an arithmetic number, because the mean of its divisors is an integer number (7618222794400).

Almost surely, 2^{224121425253456} is an apocalyptic number.

It is an amenable number.

224121425253456 is an abundant number, since it is smaller than the sum of its proper divisors (385336398298544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224121425253456 is a wasteful number, since it uses less digits than its factorization.

224121425253456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945616 (or 1945610 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 48.

Adding to 224121425253456 its reverse (654352524121422), we get a palindrome (878473949374878).

The spelling of 224121425253456 in words is "two hundred twenty-four trillion, one hundred twenty-one billion, four hundred twenty-five million, two hundred fifty-three thousand, four hundred fifty-six".