225355144577 has 4 divisors (see below), whose sum is σ = 237215941680. Its totient is φ = 213494347476.

The previous prime is 225355144519. The next prime is 225355144601. The reversal of 225355144577 is 775441553522.

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 not a de Polignac number, because 225355144577 - 2⁶ = 225355144513 is a prime.

It is a super-3 number, since 3×225355144577³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225355144477) 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, 5930398523 + ... + 5930398560.

It is an arithmetic number, because the mean of its divisors is an integer number (59303985420).

Almost surely, 2^225355144577 is an apocalyptic number.

It is an amenable number.

225355144577 is a deficient number, since it is larger than the sum of its proper divisors (11860797103).

225355144577 is a wasteful number, since it uses less digits than its factorization.

225355144577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860797102.

The product of its digits is 5880000, while the sum is 50.

The spelling of 225355144577 in words is "two hundred twenty-five billion, three hundred fifty-five million, one hundred forty-four thousand, five hundred seventy-seven".