225731020353 has 8 divisors (see below), whose sum is σ = 301317883968. Its totient is φ = 150315751824.

The previous prime is 225731020351. The next prime is 225731020367. The reversal of 225731020353 is 353020137522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225731020353 - 2¹ = 225731020351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225731020351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42895701 + ... + 42900962.

It is an arithmetic number, because the mean of its divisors is an integer number (37664735496).

Almost surely, 2^225731020353 is an apocalyptic number.

It is an amenable number.

225731020353 is a deficient number, since it is larger than the sum of its proper divisors (75586863615).

225731020353 is an equidigital number, since it uses as much as digits as its factorization.

225731020353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85797543.

The product of its (nonzero) digits is 37800, while the sum is 33.

Adding to 225731020353 its reverse (353020137522), we get a palindrome (578751157875).

The spelling of 225731020353 in words is "two hundred twenty-five billion, seven hundred thirty-one million, twenty thousand, three hundred fifty-three".