225155444333 has 4 divisors (see below), whose sum is σ = 225164042400. Its totient is φ = 225146846268.

The previous prime is 225155444321. The next prime is 225155444347. The reversal of 225155444333 is 333444551522.

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 a de Polignac number, because none of the positive numbers 2^k-225155444333 is a prime.

It is a super-2 number, since 2×225155444333² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225155444233) 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, 4259633 + ... + 4312166.

It is an arithmetic number, because the mean of its divisors is an integer number (56291010600).

Almost surely, 2^225155444333 is an apocalyptic number.

It is an amenable number.

225155444333 is a deficient number, since it is larger than the sum of its proper divisors (8598067).

225155444333 is an equidigital number, since it uses as much as digits as its factorization.

225155444333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598066.

The product of its digits is 864000, while the sum is 41.

Adding to 225155444333 its reverse (333444551522), we get a palindrome (558599995855).

The spelling of 225155444333 in words is "two hundred twenty-five billion, one hundred fifty-five million, four hundred forty-four thousand, three hundred thirty-three".