225396873559 has 72 divisors (see below), whose sum is σ = 279600201216. Its totient is φ = 181277553600.

The previous prime is 225396873553. The next prime is 225396873607. The reversal of 225396873559 is 955378693522.

It is not a de Polignac number, because 225396873559 - 2⁷ = 225396873431 is a prime.

It is a super-2 number, since 2×225396873559² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225396873559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225396873553) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67827672 + ... + 67830994.

It is an arithmetic number, because the mean of its divisors is an integer number (3883336128).

Almost surely, 2^225396873559 is an apocalyptic number.

225396873559 is a deficient number, since it is larger than the sum of its proper divisors (54203327657).

225396873559 is a wasteful number, since it uses less digits than its factorization.

225396873559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3485 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 64.

The spelling of 225396873559 in words is "two hundred twenty-five billion, three hundred ninety-six million, eight hundred seventy-three thousand, five hundred fifty-nine".