224551142420 has 96 divisors (see below), whose sum is σ = 542570313600. Its totient is φ = 77204620800.

The previous prime is 224551142419. The next prime is 224551142429. The reversal of 224551142420 is 24241155422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224551142429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2074850 + ... + 2180390.

It is an arithmetic number, because the mean of its divisors is an integer number (5651774100).

Almost surely, 2^224551142420 is an apocalyptic number.

224551142420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224551142420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271285156800).

224551142420 is an abundant number, since it is smaller than the sum of its proper divisors (318019171180).

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

224551142420 is a wasteful number, since it uses less digits than its factorization.

224551142420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106089 (or 106087 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 224551142420 its reverse (24241155422), we get a palindrome (248792297842).

The spelling of 224551142420 in words is "two hundred twenty-four billion, five hundred fifty-one million, one hundred forty-two thousand, four hundred twenty".