225126341220 has 96 divisors (see below), whose sum is σ = 687742715520. Its totient is φ = 54569410560.

The previous prime is 225126341197. The next prime is 225126341227. The reversal of 225126341220 is 22143621522.

It is a super-2 number, since 2×225126341220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (225126341227) 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, 7358916 + ... + 7389444.

It is an arithmetic number, because the mean of its divisors is an integer number (7163986620).

Almost surely, 2^225126341220 is an apocalyptic number.

225126341220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225126341220 is an abundant number, since it is smaller than the sum of its proper divisors (462616374300).

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

225126341220 is a wasteful number, since it uses less digits than its factorization.

225126341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41725 (or 41723 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 225126341220 its reverse (22143621522), we get a palindrome (247269962742).

The spelling of 225126341220 in words is "two hundred twenty-five billion, one hundred twenty-six million, three hundred forty-one thousand, two hundred twenty".