225746338553 has 4 divisors (see below), whose sum is σ = 226645726608. Its totient is φ = 224846950500.

The previous prime is 225746338523. The next prime is 225746338561. The reversal of 225746338553 is 355833647522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225746338553 - 2¹⁰ = 225746337529 is a prime.

It is a super-2 number, since 2×225746338553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225746338495 and 225746338504.

It is not an unprimeable number, because it can be changed into a prime (225746338523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449693651 + ... + 449694152.

It is an arithmetic number, because the mean of its divisors is an integer number (56661431652).

Almost surely, 2^225746338553 is an apocalyptic number.

It is an amenable number.

225746338553 is a deficient number, since it is larger than the sum of its proper divisors (899388055).

225746338553 is an equidigital number, since it uses as much as digits as its factorization.

225746338553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899388054.

The product of its digits is 18144000, while the sum is 53.

The spelling of 225746338553 in words is "two hundred twenty-five billion, seven hundred forty-six million, three hundred thirty-eight thousand, five hundred fifty-three".