224242221020 has 24 divisors (see below), whose sum is σ = 487146895200. Its totient is φ = 86603892032.

The previous prime is 224242221019. The next prime is 224242221037. The reversal of 224242221020 is 20122242422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193311680 + ... + 193312839.

It is an arithmetic number, because the mean of its divisors is an integer number (20297787300).

Almost surely, 2^224242221020 is an apocalyptic number.

224242221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224242221020 is an abundant number, since it is smaller than the sum of its proper divisors (262904674180).

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

224242221020 is a wasteful number, since it uses less digits than its factorization.

224242221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386624557 (or 386624555 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 224242221020 its reverse (20122242422), we get a palindrome (244364463442).

The spelling of 224242221020 in words is "two hundred twenty-four billion, two hundred forty-two million, two hundred twenty-one thousand, twenty".